GB1377322A - Process for preparing trifluoroacetic acid - Google Patents
Process for preparing trifluoroacetic acidInfo
- Publication number
- GB1377322A GB1377322A GB79473A GB79473A GB1377322A GB 1377322 A GB1377322 A GB 1377322A GB 79473 A GB79473 A GB 79473A GB 79473 A GB79473 A GB 79473A GB 1377322 A GB1377322 A GB 1377322A
- Authority
- GB
- United Kingdom
- Prior art keywords
- trifluoroacetic acid
- scrubber
- jan
- charged
- boiling
- 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
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 title abstract 10
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000009835 boiling Methods 0.000 abstract 3
- 238000004821 distillation Methods 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 239000006096 absorbing agent Substances 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 230000007062 hydrolysis Effects 0.000 abstract 1
- 238000006460 hydrolysis reaction Methods 0.000 abstract 1
- 238000010992 reflux Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- PNQBEPDZQUOCNY-UHFFFAOYSA-N trifluoroacetyl chloride Chemical compound FC(F)(F)C(Cl)=O PNQBEPDZQUOCNY-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/04—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid halides
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2200725A DE2200725C3 (de) | 1972-01-07 | 1972-01-07 | Verfahren zur Herstellung von Trifluoressigsäure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1377322A true GB1377322A (en) | 1974-12-11 |
Family
ID=5832530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB79473A Expired GB1377322A (en) | 1972-01-07 | 1973-01-05 | Process for preparing trifluoroacetic acid |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3894082A (enExample) |
| CH (1) | CH575366A5 (enExample) |
| DE (1) | DE2200725C3 (enExample) |
| FR (1) | FR2166358B1 (enExample) |
| GB (1) | GB1377322A (enExample) |
| IT (1) | IT971638B (enExample) |
| NL (1) | NL7215251A (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4026930A (en) * | 1975-07-14 | 1977-05-31 | Phillips Petroleum Company | Azeotropic distillation of 1,1,1,3,3,3-hexafluoroisopropyl trifluoroacetate with fluorotrichloromethane |
| JPS60239436A (ja) * | 1984-05-15 | 1985-11-28 | Asahi Glass Co Ltd | トリフルオロ酢酸の製造方法 |
| JPS60239435A (ja) * | 1984-05-15 | 1985-11-28 | Asahi Glass Co Ltd | トリフルオロ酢酸の製法 |
| US5296640A (en) * | 1992-09-15 | 1994-03-22 | E. I. Du Pont De Nemours And Company | Process for preparing perhaloacyl chlorides |
| RU2119476C1 (ru) * | 1996-11-28 | 1998-09-27 | Волгоградское открытое акционерное общество "Химпром" | Способ выделения трифторуксусной кислоты из водных реакционных смесей |
| CN110143865B (zh) * | 2018-02-11 | 2022-06-17 | 中化蓝天氟材料有限公司 | 一种三氟乙酰氯水解连续制备三氟乙酸的方法 |
| CN113816845B (zh) * | 2021-10-14 | 2024-04-16 | 常熟三爱富中昊化工新材料有限公司 | 三氟乙酸的制备方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3288850A (en) * | 1963-07-30 | 1966-11-29 | Allied Chem | Manufacture of trifluoroacetic acid |
-
1972
- 1972-01-07 DE DE2200725A patent/DE2200725C3/de not_active Expired
- 1972-10-31 CH CH1587772A patent/CH575366A5/xx not_active IP Right Cessation
- 1972-11-10 NL NL7215251A patent/NL7215251A/xx not_active Application Discontinuation
- 1972-11-16 FR FR7240788A patent/FR2166358B1/fr not_active Expired
- 1972-12-06 IT IT32602/72A patent/IT971638B/it active
-
1973
- 1973-01-05 US US321521A patent/US3894082A/en not_active Expired - Lifetime
- 1973-01-05 GB GB79473A patent/GB1377322A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2200725B2 (de) | 1979-03-15 |
| FR2166358A1 (enExample) | 1973-08-17 |
| IT971638B (it) | 1974-05-10 |
| DE2200725A1 (de) | 1973-07-12 |
| CH575366A5 (enExample) | 1976-05-14 |
| DE2200725C3 (de) | 1979-11-08 |
| US3894082A (en) | 1975-07-08 |
| FR2166358B1 (enExample) | 1976-08-20 |
| NL7215251A (enExample) | 1973-07-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 416 | Proceeding under section 16 patents act 1949 | ||
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |