BE790557A - Procede pour purifier de l'acide 2,4,5-trichlorophenoxyacetiquecontamine par de la dioxine - Google Patents
Procede pour purifier de l'acide 2,4,5-trichlorophenoxyacetiquecontamine par de la dioxineInfo
- Publication number
- BE790557A BE790557A BE790557DA BE790557A BE 790557 A BE790557 A BE 790557A BE 790557D A BE790557D A BE 790557DA BE 790557 A BE790557 A BE 790557A
- Authority
- BE
- Belgium
- Prior art keywords
- dioxin
- purifying
- trichlorophenoxyacetic acid
- acid contaminated
- contaminated
- Prior art date
Links
- SMYMJHWAQXWPDB-UHFFFAOYSA-N (2,4,5-trichlorophenoxy)acetic acid Chemical compound OC(=O)COC1=CC(Cl)=C(Cl)C=C1Cl SMYMJHWAQXWPDB-UHFFFAOYSA-N 0.000 title 1
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 title 1
- 239000003559 2,4,5-trichlorophenoxyacetic acid Substances 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D319/00—Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D319/10—1,4-Dioxanes; Hydrogenated 1,4-dioxanes
- C07D319/14—1,4-Dioxanes; Hydrogenated 1,4-dioxanes condensed with carbocyclic rings or ring systems
- C07D319/24—[b,e]-condensed with two six-membered rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Extraction Or Liquid Replacement (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US19229871A | 1971-10-26 | 1971-10-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE790557A true BE790557A (fr) | 1973-04-25 |
Family
ID=22709100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE790557D BE790557A (fr) | 1971-10-26 | Procede pour purifier de l'acide 2,4,5-trichlorophenoxyacetiquecontamine par de la dioxine |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE790557A (fr) |
| CA (1) | CA973563A (fr) |
| DE (1) | DE2252562A1 (fr) |
| FR (1) | FR2161932A1 (fr) |
| GB (1) | GB1357053A (fr) |
| NL (1) | NL7214523A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4326882A (en) * | 1978-08-28 | 1982-04-27 | Ppg Industries, Inc. | Trichlorophenoxy alkanoic acid free of chlorinated dibenzo-p-dioxins |
| US4267055A (en) * | 1979-09-04 | 1981-05-12 | Rohm And Haas Company | Separation of more planar molecules from less planar molecules |
| CN112607939B (zh) * | 2020-12-01 | 2022-09-09 | 维讯化工（南京）有限公司 | 利用连续萃取法回收氰氟草酯溶剂的方法 |
-
0
- BE BE790557D patent/BE790557A/fr unknown
-
1972
- 1972-10-23 CA CA154,433A patent/CA973563A/en not_active Expired
- 1972-10-25 GB GB4929572A patent/GB1357053A/en not_active Expired
- 1972-10-26 FR FR7238008A patent/FR2161932A1/fr not_active Withdrawn
- 1972-10-26 DE DE19722252562 patent/DE2252562A1/de active Pending
- 1972-10-26 NL NL7214523A patent/NL7214523A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL7214523A (fr) | 1973-05-01 |
| CA973563A (en) | 1975-08-26 |
| DE2252562A1 (de) | 1973-05-03 |
| FR2161932A1 (fr) | 1973-07-13 |
| GB1357053A (en) | 1974-06-19 |
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