CH174901A - Process for the production of a new vat dye. - Google Patents

Process for the production of a new vat dye.

Info

Publication number
CH174901A
CH174901A CH174901DA CH174901A CH 174901 A CH174901 A CH 174901A CH 174901D A CH174901D A CH 174901DA CH 174901 A CH174901 A CH 174901A
Authority
CH
Switzerland
Prior art keywords
production
new
vat dye
dye
oxythionaphthene
Prior art date
Application number
Other languages
German (de)
Inventor
Gesellschaft Fuer Chemis Basel
Original Assignee
Chem Ind Basel
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chem Ind Basel filed Critical Chem Ind Basel
Publication of CH174901A publication Critical patent/CH174901A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B7/00—Indigoid dyes
    • C09B7/10—Bis-thionapthene indigos

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)

Description

  

      Zusatzpatent    zum Hauptpatent Nr. 172735.    Verfahren zur Herstellung eines neuen     Nüpenfarbstof%s.       Es wurde gefunden, dass man einen  neuen     Küpenfarbstoff    erhält, wenn man  4.     6-Dimethyl-5.        7-dichlor-3-oxythionaphthen     mit dem 2 - (p -     Dimethylamino)    -     anil    des     6-          Chlor-3-oxythionaphthens    kondensiert.  



  Der neue Farbstoff der Formel:  
EMI0001.0010     
    stellt ein rotes Pulver dar, das sich in kon  zentrierter     Schwefelsäure    mit grüner Farbe  löst und Baumwolle aus gelb gefärbter     Küpe     in sehr echten,     gelbstichig    roten Tönen färbt.

    <I>Beispiel</I>  247 Teile 4. 6     -Dimethyl    - 5. 7 -     diehlor-          3    -     oxythionaphthen    und 316,5 Teile 2 - (p  Dimethylamino)-anil des     6-Chlor-3-oxythio-          naphthens    werden mit 4000     Volumteilen    Eis  essig auf dem Wasserbade erhitzt, bis die         Kondensation    beendigt     ist.    Dann wird fil  triert, gewaschen und getrocknet.



      Additional patent to main patent no. 172735. Process for the production of a new nub dye% s. It has been found that a new vat dye is obtained if 4. 6-dimethyl-5. 7-dichloro-3-oxythionaphthene condensed with the 2 - (p - dimethylamino) - anil of 6-chloro-3-oxythionaphthene.



  The new dye of the formula:
EMI0001.0010
    is a red powder that dissolves in concentrated sulfuric acid with a green color and dyes cotton from a yellow vat in very real, yellowish red tones.

    <I> Example </I> 247 parts 4. 6 -Dimethyl - 5. 7 - diehlor- 3 - oxythionaphthen and 316.5 parts of 2 - (p dimethylamino) anil of 6-chloro-3-oxythio- naphthene are with 4000 parts by volume of ice vinegar heated on the water bath until condensation has ended. Then it is filtered, washed and dried.

Claims (1)

EITENTANSPRUCI3 Verfahren zur Herstellung eines neuen Küpenfarbstoffes,dadurch gekennzeichnet, dass man 4 . 6 - Dimethyl - 5 . 7 - dichlor - 3- oxythionaphthen mit dem 2 - (p - Dimethyl- amino)-anil des 6-Chlor-3-oxythionaphthens kondensiert. EITENTANSPRUCI3 Process for the production of a new vat dye, characterized in that 4. 6 - dimethyl - 5. 7 - dichloro - 3 - oxythionaphthene condensed with the 2 - (p - dimethylamino) anil of 6-chloro-3-oxythionaphthene. Der neue Farbstoff der Formel: EMI0001.0033 stellt ein rotes Pulver dar, das sich in kon zentrierter Schwefelsäure mit grüner Farbe löst und Baumwolle aus gelb gefärbter güpe in sehr echten, gelbstiehig roten Tönen färbt. The new dye of the formula: EMI0001.0033 is a red powder that dissolves in concentrated sulfuric acid with a green color and dyes cotton from yellow dyed güpe in very genuine, yellowish red tones.
CH174901D 1933-09-22 1933-09-22 Process for the production of a new vat dye. CH174901A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH172735T 1933-09-22
CH174901T 1933-09-22

Publications (1)

Publication Number Publication Date
CH174901A true CH174901A (en) 1935-01-31

Family

ID=25719269

Family Applications (1)

Application Number Title Priority Date Filing Date
CH174901D CH174901A (en) 1933-09-22 1933-09-22 Process for the production of a new vat dye.

Country Status (1)

Country Link
CH (1) CH174901A (en)

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