CA1125654A - Fenitrothion concentrate for ulv spraying - Google Patents
Fenitrothion concentrate for ulv sprayingInfo
- Publication number
- CA1125654A CA1125654A CA332,218A CA332218A CA1125654A CA 1125654 A CA1125654 A CA 1125654A CA 332218 A CA332218 A CA 332218A CA 1125654 A CA1125654 A CA 1125654A
- Authority
- CA
- Canada
- Prior art keywords
- solvent
- fenitrothion
- group
- oil
- ether acetate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/10—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds
- A01N57/14—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds containing aromatic radicals
Landscapes
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Agronomy & Crop Science (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE
An ultra-low volume composition of Fenitrothion which comprises 40 to 90% by weight of Fenitrothion and 10 to 60% of a member selected from the group consisting of [1] an acetic ester series solvent or an alicyclic ox aliphatic ketone series solvent, [2] a mixed solvent composed of A group solvent: higher alkyl substituted phenols or vegetable oils and B group solvent: naphthene series or paraffin series hydrocarbon solvents having a viscosity of 5 cps or less at 25°C
n the A to B ratio of (50 - 95) to (5 - 50), [3] one or more selected from the group consisting of butyl cellosolve, ethyl carbitol and butyl carbitol.
An ultra-low volume composition of Fenitrothion which comprises 40 to 90% by weight of Fenitrothion and 10 to 60% of a member selected from the group consisting of [1] an acetic ester series solvent or an alicyclic ox aliphatic ketone series solvent, [2] a mixed solvent composed of A group solvent: higher alkyl substituted phenols or vegetable oils and B group solvent: naphthene series or paraffin series hydrocarbon solvents having a viscosity of 5 cps or less at 25°C
n the A to B ratio of (50 - 95) to (5 - 50), [3] one or more selected from the group consisting of butyl cellosolve, ethyl carbitol and butyl carbitol.
Description
~2~
1 The present invention relates to an ultra-low volume composition comprising 40 to 9Q% by weight of ~enitrothion ~0,0-dimethyl 0-(3-methyl-4-nitrophenyl)-phosphorothioate] and 10 to 60% by weight of a solvent.
Ultra-low volume spraying is a technique of spraying high-concentration oil, without dilution, at a rate of about 300 to 600 ml/10 are. Particularly in spraying in the air, this technique makes labour for loading chemicals very easy, decreases the number of machines and workers and saves fuels, thus elevating efficiency remarkably.
Further, the size of particles of sprayed oil ;~ is as relatively small as about 100 microns, but the specific gravity of the particles is often larger than that of water and drifting is relatively little. Such characteristics are also observed that the period o~
-~ ~ persistency becomes long to obtain an elevated effect according to chemicals.
. Solvents used ~or ultra-lo~ volume spraying should satisfy the following requirements:
Iigh capacity to dissolve chemicals.
- (2) Low viscosity ~about 20 cps or less at 25C).
(3) High flash point.
(4) Lo~ toxicity.
~- 25 (5) Causing no decomposition of chemicals.
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(6) Causing no phytotoxiclty.
(7) Low vapor pressure (Less volatile).
In Japan, ethyl cellosolve has been used as a solvent for ultra-low volume spraying of Fenitrothion*. But this solvent has the drawback that Fenitrothion* is airly unstable in it. For this reason, the inventors extensively studied a solvent for untra-low volume spraying of Fenitrothion and attained to the present inven tion.
Thus this invention seeks to provide an ultra-low volume composition of Fenitrothion which comprises 40 to 90~ by weight of Fenitrothion [0,0-dimethyl 0-(3-methyl-4-nitrophenyl)-phosphorothi-oate] and 10 to 60% by weight of a member selected rom the group con.qisting of ; [1] an acetic ester series solvent or aliphatic ketone series solvent,
1 The present invention relates to an ultra-low volume composition comprising 40 to 9Q% by weight of ~enitrothion ~0,0-dimethyl 0-(3-methyl-4-nitrophenyl)-phosphorothioate] and 10 to 60% by weight of a solvent.
Ultra-low volume spraying is a technique of spraying high-concentration oil, without dilution, at a rate of about 300 to 600 ml/10 are. Particularly in spraying in the air, this technique makes labour for loading chemicals very easy, decreases the number of machines and workers and saves fuels, thus elevating efficiency remarkably.
Further, the size of particles of sprayed oil ;~ is as relatively small as about 100 microns, but the specific gravity of the particles is often larger than that of water and drifting is relatively little. Such characteristics are also observed that the period o~
-~ ~ persistency becomes long to obtain an elevated effect according to chemicals.
. Solvents used ~or ultra-lo~ volume spraying should satisfy the following requirements:
Iigh capacity to dissolve chemicals.
- (2) Low viscosity ~about 20 cps or less at 25C).
(3) High flash point.
(4) Lo~ toxicity.
~- 25 (5) Causing no decomposition of chemicals.
: .:
,- . , . .: , . " - :. j. ` : ' : -,:: :
. ~ . : . . .'. . . '. . - .: -'. ' ' ' ' :
: , - . ' :, : . , ' ', ' ' - ', ' , ,' . ' ' ~ : ':
(6) Causing no phytotoxiclty.
(7) Low vapor pressure (Less volatile).
In Japan, ethyl cellosolve has been used as a solvent for ultra-low volume spraying of Fenitrothion*. But this solvent has the drawback that Fenitrothion* is airly unstable in it. For this reason, the inventors extensively studied a solvent for untra-low volume spraying of Fenitrothion and attained to the present inven tion.
Thus this invention seeks to provide an ultra-low volume composition of Fenitrothion which comprises 40 to 90~ by weight of Fenitrothion [0,0-dimethyl 0-(3-methyl-4-nitrophenyl)-phosphorothi-oate] and 10 to 60% by weight of a member selected rom the group con.qisting of ; [1] an acetic ester series solvent or aliphatic ketone series solvent,
[2] a mixed solvent composed of A group solvent: higher alkyl substituted phenols or vegetable oils and B group solvent: naphthene series or paraffin series hydrocarbon solvents having a viscosity of S cps or less at 25C
in the A to B ratio of (50-95) to (5-50), and ~3] one or more solvents selected from the group consisting of butyl cellosolve, ethyl carbitol and butyl carbitol.
The solvents of the present invention will be illus-trated more specifically. Examples of the acetic ester series sol-vents include ben~yl acetate, butyl methoxyacetate, ethylene glycol monomethyl ether acetate, ethylene glycol monoethyl ester acetate, ethylene glycol * Trade Mark -: .
.
., ' s~
1 monobutyl ether acetate, diethylene glycol monomethyl ether acetate, diethylene glycol monoethyl ether acetate, diethylene glycol monobutyl ether acetate and the like. Examples of the alicyclic or aliphatic ketone series sol~ents include cyclohexanone, 3-methyl-cyclohexanone, isobutyl heptyl ketone, acetophenone, isophorone and the like.
The A group solvent has a high capacity to dissolve Fenitrothion,* but its viscosity is so high ~` 10 that it can not be used alone as a solvent for ultra-low ; volume compositions.
~ hile the B group solvent has a low viscosity, but its capacity to dissolve Fenitrothion*is so ~ow that it can not be used alone as a solvent for ultra-low volume compositions. But mixed solvents comprising the A and B group solvents in the ratio of (50 - 95) to (5 - 50) are satisfactory ln capacity to dissolve Fenitrothion and also low in viscosity.
Examples of the A group solvent include nonylphenol, linseed oil, cottonseed oil, soybean oil, ; corn oil, castor oil and the like.
Examples of the B group solvent include Diesel oil, kerosene, light oil, Shellsol*140, Shellsol* 340 . ~
~ (Shell Oil), Solvent 140*(Allied Chemical), Ondina oil*
;- ,.
17 (Shell Oil) and the like.
In preparing the ultra-low volume compositions of the present invention, the A and B group solvents may first be mixed, followed by dissolving Fenitrothion, or *Trade Mark _ . ~ ,. - : :
: ' ; ' -~ ` ~ ' ,, ' ' ' s~
l Fenitrothion may first be dissolved in the A group solvent, followed by adding the B group solvent.
Examples of the aromatic hydrocarbon solvents having 9 to 20 carbon atoms include dodecylbenzene, methylnaphthalene, trimethylbenzene, methylethylbenzene, dimethylethylbenzene, tetramethylbenzene, higher alkyl-substituted benzene and the like.
Further, they include mixtures of these - aromatic hydrocarbons for example Solvesso 100*,*
Solvesso*~50 (Esso Standard), Shellsol A**Shellsol AB**(Shell Oil), Velsicol AR-60~*(Versicol), Arotex**
; 3470 (Texaco), Kawakasol*,*Cyclosol 63*~Shell Oil) and the like.
Butyl cellosolve, ethyl carbitol and butyl carbitol are particularly superior in terms of its high flash point and the stability of Fenitrothion.
~he flash point and viscosity of these solvents ~ and ethyl cellosolve, a control, will be shown below.
.,'i,;
'~j ~lash point Viscosity Solvent (C) (25C, cps) . _ _ Ethyl cellosolve* 54 2.3 Butyl cellosolve 74 1.8 Ethyl carbitol 96 5.0 Butyl carbitol 116 5.6 Control Of course, the solvents of the present invention are not limited to these examples.
**Trade Mark -~-Y - 4 -:. :
, ` ` , i ' . ' 5~i5~ :
1 The ultra-low volume compositions of the present invention are prepared very simply by merely mixing the solvent and Fenitrothion in a pre-determined proportion.
For example, 80% (weight/volume) compositions of the present invention are prepared by adding the solvent to 800 g of Fenitrothion to be a total volume of i .
1000 ml, followed by thorough stirring.
Further, in case other than using a mlxed - solvent composed of the A group solvent and the B group solvent, a naphthene series or paraffin series hydro-carbon solvent may be added to the solvent of the present invention. As such solvents, there may be given Diesel oi:L, kerosene, light oil, Shellsol 140, Shellsol 340 (Shell Oil), Solvent 140 (Allied Chemical~, Ondina oil 17 (Shell Oil) and the like.
The present invention wil] be illustrated in more detail with reference to the following examples. -But it is not intended to limit the invention to these examples.
Example 1 The ultra-low volume compositions of the present invention ~ere prepared by mixing 2 parts by weight of Fenitrothion and 1 part by weight of a solvent. One c.c.
each of these composition was sealed in an ampoule and stored at 40C and 60C. The decomposition percentage was then examined.
: ' :: ' :
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Fenitrth%n \ SOlvent Cyclo- Benzyl Ethyl content ( ) \ hexanone acetate cellosolve percentage (%)) At the start 64 ' 7 65 ~ o 66.7 60C, 10 days 63.3 (2.2) 64.3 (1.1) 50.0 (25.0) 40C, 1 month 64.o (1.1) 64.7 (0.5) 60.7 ( g.o) 40c, 2 months 63.8 (1.4) 64.5 (0.8) 53.0 (21.5) 40c, 3 months 63.5 (1.9) 64.3 (1.1) 52.0 (22.0) ~ Control 1 The figure in parentheses means a decomposition percentage.
`:
Example 2 One hundred grams of ~enitrothlon was placed in a measurlng flask, and cyclohexanone was added thereto to be a total volume of 100 ml. This mixture was made a homogeneous solution by thorough mixing and measured ~or viscosity and speci~ic gravity`to obtain the ~ollowing results.
, .
~5~i5~ , Temperature Viscosity (C) (cps) :` 30 11.3 : 25 13.7 16.8 20.7 ~ _10 24.6 .
: d3 1.20 1 Example 3 One hundred grams of Fenitrothion was placed in a measuring flask~ and benzyl acetate was added thereto to be a total volume of 100 ml. This mixture was :~ 5 made a homogeneous solution by thorough mixing and .~, : measured for viscosity and specific gravity to obtain the following results.
Temperature Viscosity ~" ~ (C) (cps) ~. `
10.5 :~
. : 25 12.8 15.9 . 15 19.6 24.1 1.25 .
. .
: - 7 --., . - .
, .
, . . . .
. . -- : ~ ~ ~ :
SIFi~4 l Example 4 One hundred grams of Fenitrothion was placed in a measuring flask, and ethyl cellosolve acetate was added thereto to be a total volume of lOO ml. This mixture was made a homogeneous solution by thorough mixing and measured for viscosity and specific gravity to obtain the following results.
Temperature Viscosity . (C) (cps) ~ ~
in the A to B ratio of (50-95) to (5-50), and ~3] one or more solvents selected from the group consisting of butyl cellosolve, ethyl carbitol and butyl carbitol.
The solvents of the present invention will be illus-trated more specifically. Examples of the acetic ester series sol-vents include ben~yl acetate, butyl methoxyacetate, ethylene glycol monomethyl ether acetate, ethylene glycol monoethyl ester acetate, ethylene glycol * Trade Mark -: .
.
., ' s~
1 monobutyl ether acetate, diethylene glycol monomethyl ether acetate, diethylene glycol monoethyl ether acetate, diethylene glycol monobutyl ether acetate and the like. Examples of the alicyclic or aliphatic ketone series sol~ents include cyclohexanone, 3-methyl-cyclohexanone, isobutyl heptyl ketone, acetophenone, isophorone and the like.
The A group solvent has a high capacity to dissolve Fenitrothion,* but its viscosity is so high ~` 10 that it can not be used alone as a solvent for ultra-low ; volume compositions.
~ hile the B group solvent has a low viscosity, but its capacity to dissolve Fenitrothion*is so ~ow that it can not be used alone as a solvent for ultra-low volume compositions. But mixed solvents comprising the A and B group solvents in the ratio of (50 - 95) to (5 - 50) are satisfactory ln capacity to dissolve Fenitrothion and also low in viscosity.
Examples of the A group solvent include nonylphenol, linseed oil, cottonseed oil, soybean oil, ; corn oil, castor oil and the like.
Examples of the B group solvent include Diesel oil, kerosene, light oil, Shellsol*140, Shellsol* 340 . ~
~ (Shell Oil), Solvent 140*(Allied Chemical), Ondina oil*
;- ,.
17 (Shell Oil) and the like.
In preparing the ultra-low volume compositions of the present invention, the A and B group solvents may first be mixed, followed by dissolving Fenitrothion, or *Trade Mark _ . ~ ,. - : :
: ' ; ' -~ ` ~ ' ,, ' ' ' s~
l Fenitrothion may first be dissolved in the A group solvent, followed by adding the B group solvent.
Examples of the aromatic hydrocarbon solvents having 9 to 20 carbon atoms include dodecylbenzene, methylnaphthalene, trimethylbenzene, methylethylbenzene, dimethylethylbenzene, tetramethylbenzene, higher alkyl-substituted benzene and the like.
Further, they include mixtures of these - aromatic hydrocarbons for example Solvesso 100*,*
Solvesso*~50 (Esso Standard), Shellsol A**Shellsol AB**(Shell Oil), Velsicol AR-60~*(Versicol), Arotex**
; 3470 (Texaco), Kawakasol*,*Cyclosol 63*~Shell Oil) and the like.
Butyl cellosolve, ethyl carbitol and butyl carbitol are particularly superior in terms of its high flash point and the stability of Fenitrothion.
~he flash point and viscosity of these solvents ~ and ethyl cellosolve, a control, will be shown below.
.,'i,;
'~j ~lash point Viscosity Solvent (C) (25C, cps) . _ _ Ethyl cellosolve* 54 2.3 Butyl cellosolve 74 1.8 Ethyl carbitol 96 5.0 Butyl carbitol 116 5.6 Control Of course, the solvents of the present invention are not limited to these examples.
**Trade Mark -~-Y - 4 -:. :
, ` ` , i ' . ' 5~i5~ :
1 The ultra-low volume compositions of the present invention are prepared very simply by merely mixing the solvent and Fenitrothion in a pre-determined proportion.
For example, 80% (weight/volume) compositions of the present invention are prepared by adding the solvent to 800 g of Fenitrothion to be a total volume of i .
1000 ml, followed by thorough stirring.
Further, in case other than using a mlxed - solvent composed of the A group solvent and the B group solvent, a naphthene series or paraffin series hydro-carbon solvent may be added to the solvent of the present invention. As such solvents, there may be given Diesel oi:L, kerosene, light oil, Shellsol 140, Shellsol 340 (Shell Oil), Solvent 140 (Allied Chemical~, Ondina oil 17 (Shell Oil) and the like.
The present invention wil] be illustrated in more detail with reference to the following examples. -But it is not intended to limit the invention to these examples.
Example 1 The ultra-low volume compositions of the present invention ~ere prepared by mixing 2 parts by weight of Fenitrothion and 1 part by weight of a solvent. One c.c.
each of these composition was sealed in an ampoule and stored at 40C and 60C. The decomposition percentage was then examined.
: ' :: ' :
~5~
Fenitrth%n \ SOlvent Cyclo- Benzyl Ethyl content ( ) \ hexanone acetate cellosolve percentage (%)) At the start 64 ' 7 65 ~ o 66.7 60C, 10 days 63.3 (2.2) 64.3 (1.1) 50.0 (25.0) 40C, 1 month 64.o (1.1) 64.7 (0.5) 60.7 ( g.o) 40c, 2 months 63.8 (1.4) 64.5 (0.8) 53.0 (21.5) 40c, 3 months 63.5 (1.9) 64.3 (1.1) 52.0 (22.0) ~ Control 1 The figure in parentheses means a decomposition percentage.
`:
Example 2 One hundred grams of ~enitrothlon was placed in a measurlng flask, and cyclohexanone was added thereto to be a total volume of 100 ml. This mixture was made a homogeneous solution by thorough mixing and measured ~or viscosity and speci~ic gravity`to obtain the ~ollowing results.
, .
~5~i5~ , Temperature Viscosity (C) (cps) :` 30 11.3 : 25 13.7 16.8 20.7 ~ _10 24.6 .
: d3 1.20 1 Example 3 One hundred grams of Fenitrothion was placed in a measuring flask~ and benzyl acetate was added thereto to be a total volume of 100 ml. This mixture was :~ 5 made a homogeneous solution by thorough mixing and .~, : measured for viscosity and specific gravity to obtain the following results.
Temperature Viscosity ~" ~ (C) (cps) ~. `
10.5 :~
. : 25 12.8 15.9 . 15 19.6 24.1 1.25 .
. .
: - 7 --., . - .
, .
, . . . .
. . -- : ~ ~ ~ :
SIFi~4 l Example 4 One hundred grams of Fenitrothion was placed in a measuring flask, and ethyl cellosolve acetate was added thereto to be a total volume of lOO ml. This mixture was made a homogeneous solution by thorough mixing and measured for viscosity and specific gravity to obtain the following results.
Temperature Viscosity . (C) (cps) ~ ~
3 9.0 ll.O
13.5 16.6 20.3 1.23 Example 5 A homogeneous solution was obtained in the same ; lO manner as in Example 3 except that the amount of Fenitrothion was changed to 50 g. This solution was measured for viscosity and specific gravity to obtain he following results.
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~ - 8 -.
: : -~;25~S9~ ~
Temperature Viscosity (C) _ (cps) 3 4.0
13.5 16.6 20.3 1.23 Example 5 A homogeneous solution was obtained in the same ; lO manner as in Example 3 except that the amount of Fenitrothion was changed to 50 g. This solution was measured for viscosity and specific gravity to obtain he following results.
~`''` , ~.`
~ - 8 -.
: : -~;25~S9~ ~
Temperature Viscosity (C) _ (cps) 3 4.0
4.5
5~1 5.7
6.3 d3 1.14 ~ .. ..
1 Example 6 A homogeneous solution was obtained in the same manner as in Example 4 except that the amount of Fenitrothion was changed to 50 g. This solution was ~ 5 measured ~or vlscosity and specific gravity to obtain : the followlng results.
.
~ Témperature Viscosity ~ ~ (C) (cps) 2~ 3 2 4.2 . ~ 10 4.7 . -. _ .
_ 1 . 10 :' ~: :
~251~S~ , 1 Example 7 A 1:1 mixed solvent of nonylphenol and Diesel oil A was added to 40 g of Fenitrothion to be a total volume of 100 ml. The ultra-low volume composition thus obtained was measured for viscosity to obtain the following results.
Temperature Viscosity (C) (cps) 9.2 11.6 1l~.3 18.3 23.3 0.99 Example 8 An ultra-low volume composition of the present ln~ention was obtained in the same manner as in Example
1 Example 6 A homogeneous solution was obtained in the same manner as in Example 4 except that the amount of Fenitrothion was changed to 50 g. This solution was ~ 5 measured ~or vlscosity and specific gravity to obtain : the followlng results.
.
~ Témperature Viscosity ~ ~ (C) (cps) 2~ 3 2 4.2 . ~ 10 4.7 . -. _ .
_ 1 . 10 :' ~: :
~251~S~ , 1 Example 7 A 1:1 mixed solvent of nonylphenol and Diesel oil A was added to 40 g of Fenitrothion to be a total volume of 100 ml. The ultra-low volume composition thus obtained was measured for viscosity to obtain the following results.
Temperature Viscosity (C) (cps) 9.2 11.6 1l~.3 18.3 23.3 0.99 Example 8 An ultra-low volume composition of the present ln~ention was obtained in the same manner as in Example
7 except that the amount of Fenitrothion was changed to 50 g. This composition was measured for viscosity to obtain the following results.
.,, ~
25~
Temperature Viscosity C ) ( cps ) 3 10.1 12.6 15.9 20.4 :~
25.8 ~:
0.98 ~.' .
1 Example 9 A mixed solvent was prepared by mixing linseed oil and Diesel oil A in a ratio of 8 to 2. The mixed ~ solvent was added to 40 g of Fenitrothion to be a total : 5 volume of 100 ml. The ultra low volume composition thus obtained was measured for viscosity to obtain the ~` following results.
_ : Temperature Viscosity : ( C ) ( cp s ) : _ .
.
; 3 18.6 22.5 27.4 . 15 34.4 . 10 41.7 ~ d330 1.00 :' - . ,.
,:
.
.
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1 Example 10 One milliliter each of the ultra-low volume compositions prepared in Examples 7 and 9 was stored at 50C and 40C under an accelerated condition. The content o~ Fenitrothion in each composition was then measured.
. Content of Fenitrothion (%) Accelerated condition Example 7 Example 9 Ethyl _ At the start 40.2 40.1 40.2 50C, 10 days 40.0 (0.5) 40.1 ( - ) 38.9 (3.2) 20 days 39.5 (1.7) 39.9 (0.5) 37.8 (6,o) 30 days 39.1 (2.7) 39.7 (1.0) 36.0 (10.4) ' .
40C, 1 month 39.9 (0.7) 39.8 (0.7) 39.0 (3.0) 2 months 39.4 (2.0) 39.6 (1.2) 37.7 (6.2) 3 months 38.4 (4.5) 39.3 (2.0) 35.3 (11.7) * Control , .
The figure in parentheses means a decomposition ~; percentage.
E~ample 11 In Example 7, an ultra-low volume composition of the present invention could also be prepared by using ; Light oil No. 1 in place of Diesel oil A.
.- .
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.
5~
l Example 12 A mixed solvent was prepared by mixing nonyl-phenol and Solvent 140 in a ratio of 7 to 3. This mixed solvent was added to lO0 g, 80 g, 50 g and 40 g each o~
Fenitrothion to be a total volume of lO0 ml. These solu-tions, designated as L-lQ0, L-80, L-50 and L-40, respectively, were measured for viscosity to obtain the following results.
.
Viscosity (cps) Tempera-ture (C) L-lO0 L-80 L-50 L-40 3 20.6 17.8 16.1 16.4 26.5 22.8 20.7 21.3 _ 1.l9 l.ll l.Ol 0.98 Example 13 ~- lO Solvesso 150 or Velsicol AR-60 was added to 100 g of Fenitrothion to be a total volume of lO0 ml, followed by thorough mixing. This solution was measured for viscosity and specific gravity to obtain the following results.
.~
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.
Viscosity (cps) Tempera-ture (C) Solvesso 150 ¦ Velsicol AR-60 6.8 9.1 9.8 13.3 14.3 21.4 23.0 37.0 1.23 1.25 :
~' : 1 Example 14 One milliliter each of the test samples prepared in Example 13 was stored at 50C and 60C.
¦`~he content of Fenitrothion was measured to obtain the ;: 5 following results.
.~ .
. _ .
Content o~ Fenitrothion (%) : Accelerated ~ Ethy1 ~
~condition Solvesso 150 Velsicol AR-60 cellosolve At the start 102.4 102.7 102~5 _ _ ~60C, 10 days 101.4 101.5 81.3 :60C, 20 days 100.4 100.0 75-8 __ . _ 50C, 10 days 101.5 102.7 92.7 :~
50C, 20 days 101.0 102.0 83.4 Control ~:
;........... ~
` " :
, . .
:
`
. , ~5Ç~
1 Example 15 An ultra-low volume composition of the present invention was prepared by mixing 66 g o~ Fenitrothion and 34 g of Solvesso 150. This solution was measured for change in Fenitrothion content by the high-temperature, short-period accelerated storage to obtain the following results.
_ . Content of Fenitrothion (%) Accelerated condition Ethyl . Solvesso 150 cellosolve~
At the start 62.1 62.7 120C, 10 min 62.1 60.8 (3.0) 120C, 20 min 61.3 (1.3) 58.4 (6.9) 100C, 20 min 61.4 (1.1) 62.7 ( ) 100C, 40 min 61.3 (1.3) 61.1 (2.5) 80C, 40 min 62.0 ( 0 ) 62.2 (o.8) :~ * Control The figure in parentheses means a decomposition :~ percentage.
Example 16 ~A solution prepared by mixing Fenitrothion and :Kawakasol in a weight ratio of 2 to 1 was stored at 40C
and 60C to obtain the following results.
~ 15 -.
~ 5~t~
Content of Fenitrothion (%) Accelerated Ethyl condition Kawakasol cellosolve~
~`
At the start 65.3 66.7 _ 60C, 10 days 64.7 (0.9) 50.0 (25.0) 40C, 1 month 65.3 ( 0 ) 60.7 ( 9.0) 40QC, 2 months 65.7 ( - ) 53,0 (21.1) 40C, 3 months 64.7 (0.9) 52.0 (22.1) : ~ Control 1 The figure in parentheses means a decomposition ~:
percentage.
Example 17 An ultra-low volume composition of the present invention was prepared by adding dodecylbenzene to 100 g . of Fenitrothion to be a total volume of 100 ml~ This ~ solution had a flash point higher than 70QC and a .` viscosity of 23.9 cps at 25C.
Example 18 Cyclosol 63 was added to 100 g, 80 g, 50 g and ` 40 g each of Fenitrothion to be a total volume of 100 ml.
: These solutions, designates as L-100, L-80, L-50 and L-40, respectively~ were measured for viscosity to obtain the following results.
, , '' ~, :
`~ - 16 -",, " ' ~5~4 :~ . Tempera- Yiscosit I (cps) ture (C) L-100 ¦ L-80 L-50 L-40 I
3 10.1 _ 2.8 _ 11.9 6.o 3- 1.2 17 95 _ 33 9 _ 22.1 _ 4. 3 _ 1.20 ¦ - 1.06 _ 1 Example ].9 ::~An ultra-low volume composition of the presenk invention was prepared by mixing 48 g of Fenitrothion and ~ 52 g of butyl cellosolve~ One milliliter of this samp~e `; ~5~ was stored under an accelerated storage conditions, and ~ change in Fenitrothion content was measured.
....
~: :
: j ~: .
:
5~
Content of Fenitrothion (%) Accelerated _ _ condition Butyl Ethyl cellosolve cellosolve*
_ : At the start 48.2 48.5 60C, 10 days 48.3 ( - ) 45.o (7.2) 50c, 30 days 48.1 (0.2) 47.2 (2.7~
40c, 60 days 1 46.8 (2.8) 45.8 (5.5) * Control 1 The figure in parentheses means a decomposition percentage.
Example 20 Butyl cellosolve was added to 100 g, 80 g, 5 50 g and 40 g each of Fenitrothion to be a total volume of 100 ml. These solutions, designated as L-100, L-80, L-50 ~- and L-40, respectively, were measured for viscosity to obtain the following results.
:. ~
: ~iscosity (cps) : Tempera- L-100 L-80 L-50 L-40 - -30 _ - 4.5 i ; 25 12.4 8.5 6.o 5-_ 10.3 - 56 98 lo - 15.3 _ ` 8.1_ :
~: .
.
1 Example 21 Ultra-low volume compositions of the present invention were prepared by mixing o0 g of Fenitrothion and 40 g of ethyl carbitol (and butyl carbitol). One milliliter each of these samples were stored under an accelerated condition, and the content of Fenitrothion was measured.
Content of Fenitrothlon (%) Accelerated condition Ethyl Butyl Ethyl carbitol carbitol cellosolve~
.
At the start 60.2 60.1 60.2 .
; 60C, 10 days 59.0 (2.0) 59.2 (1.5) 56.3 (6-5) 20 days 57.7 (4.2) 58.0 (3.5) 54.1 (10.2) ~ _ _ 50C, 10 days 60.0 (0.4) 60.0 (0.2) 59.3 (1-5) 20 days 59.8 (0.7) 59.8 (0.5) 58.7 (2.5) 40C, 30 days 59-7 (-9) 59.7 (.7) 58.3 (3.2) 60 days 59-3 (1.5) 59.~ (1.1~ 56-9 (5.4) .
Control The figure in parentheses means a decomposition percentage.
:~ .
Example 22 Ethyl carbitol was added to 100 g, 80 g, 50 g and 40 g each of Fenitrothion to be a total volume of 100 ml.
These solutions, designated as L-100, L-80, L-50 and L-40, respectively, were measured for viscosity to obtain the 1 following results.
Tempera- Viscosity (cps) ture (C) L-100 L-80L-50 L-40 _ _ 3 12.8 _ 7.5 _ 16.212.09.0 7.1 ~ ~-~: 20 20.2 _10 9 _ : 15 26.3 _13.2 _ 34-7 _16.1 _ :-~; d30 1.24 _1 o6 _ .
Example 23 An ultra-low volume composition of the present invention was prepared by adding butyl carbitol to 100 g of ~ 5 Fenitrothion to be a total volume of lO0 ml. ~he viscosity .~ . of this composition was 16.9 cps at 25C.
: Next, the reference examples will be glven to demonstrate that the insecticidal compositions of the ` : :: :
~ :: : present invention have an efficacy superior to that of ~ :
: ~ . , : : 10 the conventional ones.
~:~ Reference example l Two compositions of the Example 1 o~ the ` : present invention (.l) and (2) stored at 40C for 3 months, ., .
(1) being a cyc~lohexanone solution and (2) being a benzyl :
, I5 acetate solution, and the conventional composition (ethyl ~: cellosolve solution), a control, were each sprayed on tea :; :
5~
1 trees on which smaller tea tortrix (Adoxophyes fasciata) was parasitic, at a rate of 50 g (active ingredient)/10 are, by means of a portable ULV sprayer (produced by M~crogen Co.). Two days after spraying, 20 rolled leaves per plot were sampled and unrolled to examine the dead and alive of the larvae (one tree/plot, 3 replications).
Test compositionMortality (%) Composition of the Example 1 (1) Cyclohexanone 100 Composition of the Example 1 (2) Benzyl acetate 100 Control (ethyl cellosolve) 83 No treatment 5 Reference example 2 Two compositions of the present invention ; stored at 40C for 1 month, one being prepared in Example 7 and the other in Example 9, and the conven-tional composition (ethyl cellosolve solution), a control, were each sprayed on tea trees on which smaller tea ~; tortrix (Adoxophyes fasciata) was parasitic, at a rate of 50 g (active ingredient)/10 are, by means of a ~ 15 portable ULV sprayer (produced by Microgen Co.~. Two .` days after spraying, 20 rolled leaves per plot were sampled and unrolled to examine the dead and alive of the larvae (one tree/plot, 3 replications).
:
- 21 ~
'~ , ., , ' '' ~5~54~
_ .:
Test composition Mortality (%) Composition o~ the Example 7 (nonylphenol:Diesel oil A = l:l) lO0 Composition of the Example 9 (linseed oil:Diesel oil A = 8:2) lO0 : Control (ethyl cellosolve) 90 . No treatment .
l Reference example 3 Two compositions of the Example 13 of the present invention (l) and (2) stored at 50C for 20 days, (1) being a Solvesso 150 solution and (2) being a ~elsicol AR-60 solution, and the conventional composition (ethyl cellosolve solution), a control, were each sprayed on tea trees on which smaller tea tortrix (Adoxophyes fasciata) was parasitic, at a rate of 50 g (active ingredient)/10 are, by means of a portable UL~ sprayer (produced by Microgen Co.). Two days after spraying, 20 rolled leaves per plot were sampled and unrolled to examine the dead ~` and alive of the larvae (one tree/plot, 3 replications).
i~
' .` .
.
-. ; , . . : :
, ~25~
Test compositionMortality (%) _ _ Composition of the Example 13 (1) Solvesso 150 100 Composition o~ the Example 13 ;~ . (2) ~elsicol AR-~0 100 Control (ethyl cellosolve) 87 No treatment 0 _ .
1 Reference example 4 The present compositions in Example 22 stored at 40C for 60 days, and the conventional composition (ethyl cellosolve solution), a control, were each sprayed on tea trees on which smaller tea tortrix (Adoxophyes fasciata) was parasitic, at a rate o~ 50 g (active lngredient)/lO are, by means o~ a portable ULV sprayer (produced by Microgen Co.). Two days a~ter spraying, ~- 20 rolled leaves per plot were sampled and unrolled to examine the dead and alive o~ the larvae (one tree/plot, 3 replications).
: I- Test compositionMortality (%) .,: ._ : Ethyl carbitol 100 Butyl carbitol 100 Ethyl cellosolve (control) 9 No treatment 0 ~' _ . , -` ' ., ~ ~ ,. . .
-:
, .
~25~S~
In the preceeding discussion of this invention, and especially in the Examples, mention is made of a number of proprietary hydrocarbon materials by way of trade marks. The published properties of these materials are as follows.
Shellsol 340, 140, A and AB
Specific gravity 0.782 0.798 0.873 0.894 Flash Point, C. 38 52 43 67 Boiling Range, C. initial 150.5 170 160 187 10%154 176 162.5 191 50%160 184 165 194 90%170 198 171 201 dry point 180.5 207 182 213 Paraffins 30.2 25.6 Naphthenes 69.8 74.2 Aromatics 0 0.2 98 99.5 Camsco 140 Solvent ., Specific gravity 0.792 Boiling Range, F. 30 380 Flash Point, F. 140 IBP 360 90 395 Aniline Cloud Point, F. 152 5 368 95 400 Described as an "Aliphatic Naphtha". 10 370 DEP 405 Shell Ondina Oil 17 Specific gravity 0.868 Flash Point, C. 163 Pour Point, C. - 43 Color (Saybolt) + 30 :: Kinematic viscosity, c St at 37.8C.: 14.4 ~ `:
~25~
Solvesso 100 and 150 Specific gravity 0.870 0.896 Color, Saybolt +30 +30 Viscosity, cP, 25C. 0.806 1.172 Sulfur, % 0.0015 0.0009 Non-volatiles, gm/100 cc 0.0005 0.0018 Flash Point, C. 46 67 Aromatics, vol./% 96.0 95.0 Boiling Range, C.IBP 15% 185 ~- 50 163 192 Velsicol AR-60 ` Gravity, API at 60F.: 100-125 Boiling Range, F.
Specific gravity 0.983-1.000 IBP460 go525/545 Flash Point, F. 220 10475/495 DEP560 Viscosity, SSU at 100 F 35-45 50495/515 ' Arotex A3470 Specific gravity 0.953 Boiling Range, F. IBP 385 Color, AS~M 2.5 50 435 Aroma~ics, % 98.0 DEP 620 Described as a "heavy aromatic distillate".
:
~. .
. : , ~2~
Kawakasol Specific gravity 0.990 - 0.998 Boiling Range, C.
Flash Point, C. 90 IBP 210 or higher Viscosity (Engler, 20/20C.) 1.09 - 1.15 DEP 270 or higher Cloud Point, C. -10 max. 75% distills 230 - 250 Described as a "coal tar distillate containing monomethyl naphthalene as a principal ingredient together with other alkyl naphthalenes".
~yclo-Sol 63 Specific gravity 0.89 Boiling Range, F.
Viscosity, cS at 100 F 1.5 IBP 350 90 375 Flash Point, F.135 min.
Aromatic content, % 99.89 50 370/385 DF:P 410 ~,,?
' ~. ' .
.
,
.,, ~
25~
Temperature Viscosity C ) ( cps ) 3 10.1 12.6 15.9 20.4 :~
25.8 ~:
0.98 ~.' .
1 Example 9 A mixed solvent was prepared by mixing linseed oil and Diesel oil A in a ratio of 8 to 2. The mixed ~ solvent was added to 40 g of Fenitrothion to be a total : 5 volume of 100 ml. The ultra low volume composition thus obtained was measured for viscosity to obtain the ~` following results.
_ : Temperature Viscosity : ( C ) ( cp s ) : _ .
.
; 3 18.6 22.5 27.4 . 15 34.4 . 10 41.7 ~ d330 1.00 :' - . ,.
,:
.
.
S~
1 Example 10 One milliliter each of the ultra-low volume compositions prepared in Examples 7 and 9 was stored at 50C and 40C under an accelerated condition. The content o~ Fenitrothion in each composition was then measured.
. Content of Fenitrothion (%) Accelerated condition Example 7 Example 9 Ethyl _ At the start 40.2 40.1 40.2 50C, 10 days 40.0 (0.5) 40.1 ( - ) 38.9 (3.2) 20 days 39.5 (1.7) 39.9 (0.5) 37.8 (6,o) 30 days 39.1 (2.7) 39.7 (1.0) 36.0 (10.4) ' .
40C, 1 month 39.9 (0.7) 39.8 (0.7) 39.0 (3.0) 2 months 39.4 (2.0) 39.6 (1.2) 37.7 (6.2) 3 months 38.4 (4.5) 39.3 (2.0) 35.3 (11.7) * Control , .
The figure in parentheses means a decomposition ~; percentage.
E~ample 11 In Example 7, an ultra-low volume composition of the present invention could also be prepared by using ; Light oil No. 1 in place of Diesel oil A.
.- .
- : ~:
.
5~
l Example 12 A mixed solvent was prepared by mixing nonyl-phenol and Solvent 140 in a ratio of 7 to 3. This mixed solvent was added to lO0 g, 80 g, 50 g and 40 g each o~
Fenitrothion to be a total volume of lO0 ml. These solu-tions, designated as L-lQ0, L-80, L-50 and L-40, respectively, were measured for viscosity to obtain the following results.
.
Viscosity (cps) Tempera-ture (C) L-lO0 L-80 L-50 L-40 3 20.6 17.8 16.1 16.4 26.5 22.8 20.7 21.3 _ 1.l9 l.ll l.Ol 0.98 Example 13 ~- lO Solvesso 150 or Velsicol AR-60 was added to 100 g of Fenitrothion to be a total volume of lO0 ml, followed by thorough mixing. This solution was measured for viscosity and specific gravity to obtain the following results.
.~
~"` .
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.
Viscosity (cps) Tempera-ture (C) Solvesso 150 ¦ Velsicol AR-60 6.8 9.1 9.8 13.3 14.3 21.4 23.0 37.0 1.23 1.25 :
~' : 1 Example 14 One milliliter each of the test samples prepared in Example 13 was stored at 50C and 60C.
¦`~he content of Fenitrothion was measured to obtain the ;: 5 following results.
.~ .
. _ .
Content o~ Fenitrothion (%) : Accelerated ~ Ethy1 ~
~condition Solvesso 150 Velsicol AR-60 cellosolve At the start 102.4 102.7 102~5 _ _ ~60C, 10 days 101.4 101.5 81.3 :60C, 20 days 100.4 100.0 75-8 __ . _ 50C, 10 days 101.5 102.7 92.7 :~
50C, 20 days 101.0 102.0 83.4 Control ~:
;........... ~
` " :
, . .
:
`
. , ~5Ç~
1 Example 15 An ultra-low volume composition of the present invention was prepared by mixing 66 g o~ Fenitrothion and 34 g of Solvesso 150. This solution was measured for change in Fenitrothion content by the high-temperature, short-period accelerated storage to obtain the following results.
_ . Content of Fenitrothion (%) Accelerated condition Ethyl . Solvesso 150 cellosolve~
At the start 62.1 62.7 120C, 10 min 62.1 60.8 (3.0) 120C, 20 min 61.3 (1.3) 58.4 (6.9) 100C, 20 min 61.4 (1.1) 62.7 ( ) 100C, 40 min 61.3 (1.3) 61.1 (2.5) 80C, 40 min 62.0 ( 0 ) 62.2 (o.8) :~ * Control The figure in parentheses means a decomposition :~ percentage.
Example 16 ~A solution prepared by mixing Fenitrothion and :Kawakasol in a weight ratio of 2 to 1 was stored at 40C
and 60C to obtain the following results.
~ 15 -.
~ 5~t~
Content of Fenitrothion (%) Accelerated Ethyl condition Kawakasol cellosolve~
~`
At the start 65.3 66.7 _ 60C, 10 days 64.7 (0.9) 50.0 (25.0) 40C, 1 month 65.3 ( 0 ) 60.7 ( 9.0) 40QC, 2 months 65.7 ( - ) 53,0 (21.1) 40C, 3 months 64.7 (0.9) 52.0 (22.1) : ~ Control 1 The figure in parentheses means a decomposition ~:
percentage.
Example 17 An ultra-low volume composition of the present invention was prepared by adding dodecylbenzene to 100 g . of Fenitrothion to be a total volume of 100 ml~ This ~ solution had a flash point higher than 70QC and a .` viscosity of 23.9 cps at 25C.
Example 18 Cyclosol 63 was added to 100 g, 80 g, 50 g and ` 40 g each of Fenitrothion to be a total volume of 100 ml.
: These solutions, designates as L-100, L-80, L-50 and L-40, respectively~ were measured for viscosity to obtain the following results.
, , '' ~, :
`~ - 16 -",, " ' ~5~4 :~ . Tempera- Yiscosit I (cps) ture (C) L-100 ¦ L-80 L-50 L-40 I
3 10.1 _ 2.8 _ 11.9 6.o 3- 1.2 17 95 _ 33 9 _ 22.1 _ 4. 3 _ 1.20 ¦ - 1.06 _ 1 Example ].9 ::~An ultra-low volume composition of the presenk invention was prepared by mixing 48 g of Fenitrothion and ~ 52 g of butyl cellosolve~ One milliliter of this samp~e `; ~5~ was stored under an accelerated storage conditions, and ~ change in Fenitrothion content was measured.
....
~: :
: j ~: .
:
5~
Content of Fenitrothion (%) Accelerated _ _ condition Butyl Ethyl cellosolve cellosolve*
_ : At the start 48.2 48.5 60C, 10 days 48.3 ( - ) 45.o (7.2) 50c, 30 days 48.1 (0.2) 47.2 (2.7~
40c, 60 days 1 46.8 (2.8) 45.8 (5.5) * Control 1 The figure in parentheses means a decomposition percentage.
Example 20 Butyl cellosolve was added to 100 g, 80 g, 5 50 g and 40 g each of Fenitrothion to be a total volume of 100 ml. These solutions, designated as L-100, L-80, L-50 ~- and L-40, respectively, were measured for viscosity to obtain the following results.
:. ~
: ~iscosity (cps) : Tempera- L-100 L-80 L-50 L-40 - -30 _ - 4.5 i ; 25 12.4 8.5 6.o 5-_ 10.3 - 56 98 lo - 15.3 _ ` 8.1_ :
~: .
.
1 Example 21 Ultra-low volume compositions of the present invention were prepared by mixing o0 g of Fenitrothion and 40 g of ethyl carbitol (and butyl carbitol). One milliliter each of these samples were stored under an accelerated condition, and the content of Fenitrothion was measured.
Content of Fenitrothlon (%) Accelerated condition Ethyl Butyl Ethyl carbitol carbitol cellosolve~
.
At the start 60.2 60.1 60.2 .
; 60C, 10 days 59.0 (2.0) 59.2 (1.5) 56.3 (6-5) 20 days 57.7 (4.2) 58.0 (3.5) 54.1 (10.2) ~ _ _ 50C, 10 days 60.0 (0.4) 60.0 (0.2) 59.3 (1-5) 20 days 59.8 (0.7) 59.8 (0.5) 58.7 (2.5) 40C, 30 days 59-7 (-9) 59.7 (.7) 58.3 (3.2) 60 days 59-3 (1.5) 59.~ (1.1~ 56-9 (5.4) .
Control The figure in parentheses means a decomposition percentage.
:~ .
Example 22 Ethyl carbitol was added to 100 g, 80 g, 50 g and 40 g each of Fenitrothion to be a total volume of 100 ml.
These solutions, designated as L-100, L-80, L-50 and L-40, respectively, were measured for viscosity to obtain the 1 following results.
Tempera- Viscosity (cps) ture (C) L-100 L-80L-50 L-40 _ _ 3 12.8 _ 7.5 _ 16.212.09.0 7.1 ~ ~-~: 20 20.2 _10 9 _ : 15 26.3 _13.2 _ 34-7 _16.1 _ :-~; d30 1.24 _1 o6 _ .
Example 23 An ultra-low volume composition of the present invention was prepared by adding butyl carbitol to 100 g of ~ 5 Fenitrothion to be a total volume of lO0 ml. ~he viscosity .~ . of this composition was 16.9 cps at 25C.
: Next, the reference examples will be glven to demonstrate that the insecticidal compositions of the ` : :: :
~ :: : present invention have an efficacy superior to that of ~ :
: ~ . , : : 10 the conventional ones.
~:~ Reference example l Two compositions of the Example 1 o~ the ` : present invention (.l) and (2) stored at 40C for 3 months, ., .
(1) being a cyc~lohexanone solution and (2) being a benzyl :
, I5 acetate solution, and the conventional composition (ethyl ~: cellosolve solution), a control, were each sprayed on tea :; :
5~
1 trees on which smaller tea tortrix (Adoxophyes fasciata) was parasitic, at a rate of 50 g (active ingredient)/10 are, by means of a portable ULV sprayer (produced by M~crogen Co.). Two days after spraying, 20 rolled leaves per plot were sampled and unrolled to examine the dead and alive of the larvae (one tree/plot, 3 replications).
Test compositionMortality (%) Composition of the Example 1 (1) Cyclohexanone 100 Composition of the Example 1 (2) Benzyl acetate 100 Control (ethyl cellosolve) 83 No treatment 5 Reference example 2 Two compositions of the present invention ; stored at 40C for 1 month, one being prepared in Example 7 and the other in Example 9, and the conven-tional composition (ethyl cellosolve solution), a control, were each sprayed on tea trees on which smaller tea ~; tortrix (Adoxophyes fasciata) was parasitic, at a rate of 50 g (active ingredient)/10 are, by means of a ~ 15 portable ULV sprayer (produced by Microgen Co.~. Two .` days after spraying, 20 rolled leaves per plot were sampled and unrolled to examine the dead and alive of the larvae (one tree/plot, 3 replications).
:
- 21 ~
'~ , ., , ' '' ~5~54~
_ .:
Test composition Mortality (%) Composition o~ the Example 7 (nonylphenol:Diesel oil A = l:l) lO0 Composition of the Example 9 (linseed oil:Diesel oil A = 8:2) lO0 : Control (ethyl cellosolve) 90 . No treatment .
l Reference example 3 Two compositions of the Example 13 of the present invention (l) and (2) stored at 50C for 20 days, (1) being a Solvesso 150 solution and (2) being a ~elsicol AR-60 solution, and the conventional composition (ethyl cellosolve solution), a control, were each sprayed on tea trees on which smaller tea tortrix (Adoxophyes fasciata) was parasitic, at a rate of 50 g (active ingredient)/10 are, by means of a portable UL~ sprayer (produced by Microgen Co.). Two days after spraying, 20 rolled leaves per plot were sampled and unrolled to examine the dead ~` and alive of the larvae (one tree/plot, 3 replications).
i~
' .` .
.
-. ; , . . : :
, ~25~
Test compositionMortality (%) _ _ Composition of the Example 13 (1) Solvesso 150 100 Composition o~ the Example 13 ;~ . (2) ~elsicol AR-~0 100 Control (ethyl cellosolve) 87 No treatment 0 _ .
1 Reference example 4 The present compositions in Example 22 stored at 40C for 60 days, and the conventional composition (ethyl cellosolve solution), a control, were each sprayed on tea trees on which smaller tea tortrix (Adoxophyes fasciata) was parasitic, at a rate o~ 50 g (active lngredient)/lO are, by means o~ a portable ULV sprayer (produced by Microgen Co.). Two days a~ter spraying, ~- 20 rolled leaves per plot were sampled and unrolled to examine the dead and alive o~ the larvae (one tree/plot, 3 replications).
: I- Test compositionMortality (%) .,: ._ : Ethyl carbitol 100 Butyl carbitol 100 Ethyl cellosolve (control) 9 No treatment 0 ~' _ . , -` ' ., ~ ~ ,. . .
-:
, .
~25~S~
In the preceeding discussion of this invention, and especially in the Examples, mention is made of a number of proprietary hydrocarbon materials by way of trade marks. The published properties of these materials are as follows.
Shellsol 340, 140, A and AB
Specific gravity 0.782 0.798 0.873 0.894 Flash Point, C. 38 52 43 67 Boiling Range, C. initial 150.5 170 160 187 10%154 176 162.5 191 50%160 184 165 194 90%170 198 171 201 dry point 180.5 207 182 213 Paraffins 30.2 25.6 Naphthenes 69.8 74.2 Aromatics 0 0.2 98 99.5 Camsco 140 Solvent ., Specific gravity 0.792 Boiling Range, F. 30 380 Flash Point, F. 140 IBP 360 90 395 Aniline Cloud Point, F. 152 5 368 95 400 Described as an "Aliphatic Naphtha". 10 370 DEP 405 Shell Ondina Oil 17 Specific gravity 0.868 Flash Point, C. 163 Pour Point, C. - 43 Color (Saybolt) + 30 :: Kinematic viscosity, c St at 37.8C.: 14.4 ~ `:
~25~
Solvesso 100 and 150 Specific gravity 0.870 0.896 Color, Saybolt +30 +30 Viscosity, cP, 25C. 0.806 1.172 Sulfur, % 0.0015 0.0009 Non-volatiles, gm/100 cc 0.0005 0.0018 Flash Point, C. 46 67 Aromatics, vol./% 96.0 95.0 Boiling Range, C.IBP 15% 185 ~- 50 163 192 Velsicol AR-60 ` Gravity, API at 60F.: 100-125 Boiling Range, F.
Specific gravity 0.983-1.000 IBP460 go525/545 Flash Point, F. 220 10475/495 DEP560 Viscosity, SSU at 100 F 35-45 50495/515 ' Arotex A3470 Specific gravity 0.953 Boiling Range, F. IBP 385 Color, AS~M 2.5 50 435 Aroma~ics, % 98.0 DEP 620 Described as a "heavy aromatic distillate".
:
~. .
. : , ~2~
Kawakasol Specific gravity 0.990 - 0.998 Boiling Range, C.
Flash Point, C. 90 IBP 210 or higher Viscosity (Engler, 20/20C.) 1.09 - 1.15 DEP 270 or higher Cloud Point, C. -10 max. 75% distills 230 - 250 Described as a "coal tar distillate containing monomethyl naphthalene as a principal ingredient together with other alkyl naphthalenes".
~yclo-Sol 63 Specific gravity 0.89 Boiling Range, F.
Viscosity, cS at 100 F 1.5 IBP 350 90 375 Flash Point, F.135 min.
Aromatic content, % 99.89 50 370/385 DF:P 410 ~,,?
' ~. ' .
.
,
Claims (6)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. An ultra-low volume composition of Fenitrothion which comprises 40 to 90% by weight of Fenitrothion [0,0-dimethyl 0-(3-methyl-4-nitrophenyl)-phosphorothioate] and 10 to 60% by weight of a member selected from the group consisting of [1] an acetic ester series solvent or aliphatic ketone series solvent, [2] a mixed solvent composed of A group solvent: higher alkyl-substituted phenols or vegetable oils and B group solvent: naphthene series or paraffin series hydrocarbon solvents having a viscosity of 5 cps or less at 25°C
in the A to B ratio of (50 95) to (5 - 50), and 13] one or more solvents selected from the group consisting of butyl cellosolve, ethyl carbitol and butyl carbitol.
in the A to B ratio of (50 95) to (5 - 50), and 13] one or more solvents selected from the group consisting of butyl cellosolve, ethyl carbitol and butyl carbitol.
2. A composition according to Claim 1, wherein the acetic ester series solvent is a member selected from the group consisting of benzyl acetate, butyl methoxyacetate, ethylene glycol monomethyl ether acetate, ethylene glycol monoethyl ether acetate, ethylene glycol monobutyl ether acetate, diethylene glycol monomethyl ether acetate, diethylene glycol monoethyl ether acetate and diethylene glycol monobutyl ether acetate.
3. A composition according to Claim 1 wherein the aliphatic ketone series solvent is selected from isobutyl heptylketone and acetophenone.
4. A composition according to Claim 1 wherein the A group solvent is chosen From nonylphenol, linseed oil, cotton seed oil, sOybean oil, corn oil, and castor oil, and the B group solvent is chosen from diesel oil, kerosene, light oil, white oils, or mixtures thereof.
5. A composition according to Claim 1 wherein the aromatic hydrocarbon solvent is chosen from dodecylbenzene, methylnaphthalene, trimethylbenzene, methylethylbenzene, dimethylethylbenzene, tetramethylbenzene, higher alkyl substituted benzenes , coal tar or petroleum distillate fractions having a high aromatic content, coal tar distillates with a high alkylnaphthalene content, or mixtures thereof.
6. A method for controlling insects which comprises contacting the insects, or an infected locus, by spraying with a Fenitrothion composition as defined in Claim 1.
Applications Claiming Priority (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP105048/78 | 1978-08-28 | ||
| JP105046/78 | 1978-08-28 | ||
| JP10504678A JPS5531053A (en) | 1978-08-28 | 1978-08-28 | Fenitrothion composition for scattering very small amount of conc, solution (mist spray) |
| JP10504878A JPS5531055A (en) | 1978-08-28 | 1978-08-28 | Fenitrothion composition for scatiering very small amount of conc. solution (mist spray) |
| JP10504778A JPS5531054A (en) | 1978-08-28 | 1978-08-28 | Fenitrothion composition for scattering very small amount of conc. solution (mist spray) |
| JP10504578A JPS5531052A (en) | 1978-08-28 | 1978-08-28 | Fenitrothion composition for scattering very small amount of conc. solution (mist spray) |
| JP105047/78 | 1978-08-28 | ||
| JP105045/78 | 1978-08-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1125654A true CA1125654A (en) | 1982-06-15 |
Family
ID=27469280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA332,218A Expired CA1125654A (en) | 1978-08-28 | 1979-07-20 | Fenitrothion concentrate for ulv spraying |
Country Status (2)
| Country | Link |
|---|---|
| CA (1) | CA1125654A (en) |
| GB (1) | GB2029226B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5286749A (en) * | 1980-11-21 | 1994-02-15 | Pitman-Moore Inc. | Control of sheep ectoparasites |
| HU204969B (en) * | 1988-04-07 | 1992-03-30 | Chinoin Gyogyszer Es Vegyeszet | Plant protective composition against arthropoda suitable for letting out very slight quantity of agent |
| DE4220161C2 (en) * | 1992-06-19 | 1996-01-11 | Stefes Pflanzenschutz Gmbh | New formulations of active ingredients for plant protection and their application |
-
1979
- 1979-07-20 CA CA332,218A patent/CA1125654A/en not_active Expired
- 1979-07-23 GB GB7925556A patent/GB2029226B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB2029226B (en) | 1982-08-04 |
| GB2029226A (en) | 1980-03-19 |
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