IL83186A - Method for purifying linuron of chlorinated aromatic impurities by crystallisation from organic solvents - Google Patents
Method for purifying linuron of chlorinated aromatic impurities by crystallisation from organic solventsInfo
- Publication number
- IL83186A IL83186A IL8318687A IL8318687A IL83186A IL 83186 A IL83186 A IL 83186A IL 8318687 A IL8318687 A IL 8318687A IL 8318687 A IL8318687 A IL 8318687A IL 83186 A IL83186 A IL 83186A
- Authority
- IL
- Israel
- Prior art keywords
- linuron
- ppm
- crude
- impurities
- less
- Prior art date
Links
- XKJMBINCVNINCA-UHFFFAOYSA-N Alfalone Chemical compound CON(C)C(=O)NC1=CC=C(Cl)C(Cl)=C1 XKJMBINCVNINCA-UHFFFAOYSA-N 0.000 title claims description 56
- 239000005573 Linuron Substances 0.000 title claims description 55
- 239000012535 impurity Substances 0.000 title claims description 21
- 238000000034 method Methods 0.000 title claims description 18
- 125000003118 aryl group Chemical group 0.000 title claims 2
- 238000002425 crystallisation Methods 0.000 title description 7
- 239000003960 organic solvent Substances 0.000 title description 3
- 238000005406 washing Methods 0.000 claims description 16
- 239000002904 solvent Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000000746 purification Methods 0.000 claims description 7
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims description 3
- 238000004090 dissolution Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 2
- 238000001953 recrystallisation Methods 0.000 claims description 2
- IBSQPLPBRSHTTG-UHFFFAOYSA-N 1-chloro-2-methylbenzene Chemical group CC1=CC=CC=C1Cl IBSQPLPBRSHTTG-UHFFFAOYSA-N 0.000 claims 1
- 239000002635 aromatic organic solvent Substances 0.000 claims 1
- GBSXFVKXHMBCHB-UHFFFAOYSA-N oxido-phenyl-(2,3,4,5-tetrachlorophenyl)iminoazanium Chemical compound C=1C=CC=CC=1[N+]([O-])=NC1=CC(Cl)=C(Cl)C(Cl)=C1Cl GBSXFVKXHMBCHB-UHFFFAOYSA-N 0.000 description 12
- HOLWKFXJSGYJMY-UHFFFAOYSA-N phenyl-(2,3,4,5-tetrachlorophenyl)diazene Chemical compound ClC1=C(Cl)C(Cl)=CC(N=NC=2C=CC=CC=2)=C1Cl HOLWKFXJSGYJMY-UHFFFAOYSA-N 0.000 description 12
- CEOCDNVZRAIOQZ-UHFFFAOYSA-N pentachlorobenzene Chemical compound ClC1=CC(Cl)=C(Cl)C(Cl)=C1Cl CEOCDNVZRAIOQZ-UHFFFAOYSA-N 0.000 description 11
- 238000004128 high performance liquid chromatography Methods 0.000 description 10
- 230000014759 maintenance of location Effects 0.000 description 6
- 230000035945 sensitivity Effects 0.000 description 4
- 238000013019 agitation Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- MFUVCHZWGSJKEQ-UHFFFAOYSA-N 3,4-dichlorphenylisocyanate Chemical compound ClC1=CC=C(N=C=O)C=C1Cl MFUVCHZWGSJKEQ-UHFFFAOYSA-N 0.000 description 2
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 description 2
- 238000007259 addition reaction Methods 0.000 description 2
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 2
- 238000005804 alkylation reaction Methods 0.000 description 2
- 230000000711 cancerogenic effect Effects 0.000 description 2
- VAYGXNSJCAHWJZ-UHFFFAOYSA-N dimethyl sulfate Chemical compound COS(=O)(=O)OC VAYGXNSJCAHWJZ-UHFFFAOYSA-N 0.000 description 2
- 230000009931 harmful effect Effects 0.000 description 2
- 238000004949 mass spectrometry Methods 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 1
- 230000029936 alkylation Effects 0.000 description 1
- 239000003849 aromatic solvent Substances 0.000 description 1
- KCXMKQUNVWSEMD-UHFFFAOYSA-N benzyl chloride Chemical compound ClCC1=CC=CC=C1 KCXMKQUNVWSEMD-UHFFFAOYSA-N 0.000 description 1
- 125000006267 biphenyl group Chemical group 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000002363 herbicidal effect Effects 0.000 description 1
- 239000004009 herbicide Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 150000004005 nitrosamines Chemical class 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/18—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas
- C07C273/189—Purification, separation, stabilisation, use of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT67884/86A IT1195848B (it) | 1986-11-27 | 1986-11-27 | Procedimento per la purificazione del linuron |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL83186A0 IL83186A0 (en) | 1987-12-31 |
| IL83186A true IL83186A (en) | 1999-10-28 |
Family
ID=11306069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL8318687A IL83186A (en) | 1986-11-27 | 1987-07-14 | Method for purifying linuron of chlorinated aromatic impurities by crystallisation from organic solvents |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5103044A (de) |
| AT (1) | AT396234B (de) |
| CA (1) | CA1340936C (de) |
| CH (1) | CH676982A5 (de) |
| DE (1) | DE3722926A1 (de) |
| FR (1) | FR2607495B1 (de) |
| GB (1) | GB2197863B (de) |
| IL (1) | IL83186A (de) |
| IT (1) | IT1195848B (de) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2960534A (en) * | 1957-06-11 | 1960-11-15 | Hoechst Ag | Nu-(chlorosubstituted aryl)-nu' methoxy-nu' methyl ureas |
| DE2234586A1 (de) * | 1972-07-14 | 1974-01-31 | Bayer Ag | N-arylharnstoffe, verfahren zu ihrer herstellung und ihre verwendung als herbizide |
| CH605701A5 (de) * | 1974-12-06 | 1978-10-13 | Ciba Geigy Ag |
-
1986
- 1986-11-27 IT IT67884/86A patent/IT1195848B/it active
-
1987
- 1987-06-18 GB GB8714313A patent/GB2197863B/en not_active Expired - Fee Related
- 1987-07-03 CH CH2549/87A patent/CH676982A5/it not_active IP Right Cessation
- 1987-07-07 FR FR878709615A patent/FR2607495B1/fr not_active Expired - Fee Related
- 1987-07-07 AT AT0171387A patent/AT396234B/de not_active IP Right Cessation
- 1987-07-10 DE DE19873722926 patent/DE3722926A1/de not_active Ceased
- 1987-07-14 IL IL8318687A patent/IL83186A/en not_active IP Right Cessation
- 1987-07-14 CA CA000542000A patent/CA1340936C/en not_active Expired - Fee Related
-
1990
- 1990-03-21 US US07/497,778 patent/US5103044A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| FR2607495B1 (fr) | 1990-01-12 |
| CH676982A5 (de) | 1991-03-28 |
| GB2197863B (en) | 1990-12-19 |
| US5103044A (en) | 1992-04-07 |
| DE3722926A1 (de) | 1988-06-01 |
| ATA171387A (de) | 1992-11-15 |
| IT8667884A0 (it) | 1986-11-27 |
| AT396234B (de) | 1993-07-26 |
| GB2197863A (en) | 1988-06-02 |
| GB8714313D0 (en) | 1987-07-22 |
| FR2607495A1 (fr) | 1988-06-03 |
| CA1340936C (en) | 2000-03-28 |
| IT1195848B (it) | 1988-10-27 |
| IL83186A0 (en) | 1987-12-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FF | Patent granted | ||
| RH | Patent void |