CH442270A - Trifluoressigsäure - Google Patents

Trifluoressigsäure

Info

Publication number
CH442270A
CH442270A CH973264A CH973264A CH442270A CH 442270 A CH442270 A CH 442270A CH 973264 A CH973264 A CH 973264A CH 973264 A CH973264 A CH 973264A CH 442270 A CH442270 A CH 442270A
Authority
CH
Switzerland
Prior art keywords
trifluoroacetic acid
trifluoroacetic
acid
Prior art date
Application number
CH973264A
Other languages
English (en)
Inventor
Robert Nychka Henry
Woolf Cyril
Original Assignee
Allied Chem
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 Allied Chem filed Critical Allied Chem
Publication of CH442270A publication Critical patent/CH442270A/de

Links

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
    • 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
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH973264A 1963-07-30 1964-07-24 Trifluoressigsäure CH442270A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US298597A US3288850A (en) 1963-07-30 1963-07-30 Manufacture of trifluoroacetic acid

Publications (1)

Publication Number Publication Date
CH442270A true CH442270A (de) 1967-08-31

Family

ID=23151203

Family Applications (1)

Application Number Title Priority Date Filing Date
CH973264A CH442270A (de) 1963-07-30 1964-07-24 Trifluoressigsäure

Country Status (5)

Country Link
US (1) US3288850A (de)
BE (1) BE651103A (de)
CH (1) CH442270A (de)
DE (1) DE1229062B (de)
ES (1) ES302482A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2200725C3 (de) * 1972-01-07 1979-11-08 Kali-Chemie Ag, 3000 Hannover Verfahren zur Herstellung von Trifluoressigsäure
US4026930A (en) * 1975-07-14 1977-05-31 Phillips Petroleum Company Azeotropic distillation of 1,1,1,3,3,3-hexafluoroisopropyl trifluoroacetate with fluorotrichloromethane
JPS60197635A (ja) * 1984-03-21 1985-10-07 Central Glass Co Ltd トリフルオロ酢酸誘導体の製造法
US5296640A (en) * 1992-09-15 1994-03-22 E. I. Du Pont De Nemours And Company Process for preparing perhaloacyl chlorides
FR2921565B1 (fr) * 2007-09-28 2011-05-20 Rhodia Operations Procede de recuperation d'acides fluorocarboxyliques
US11111201B2 (en) 2017-04-26 2021-09-07 Solvay Sa Reduction of content of carboxylic acids and derivatives thereof in oleum, disulfuric acid or concentrated sulfuric acid

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2922816A (en) * 1960-01-26
DE1052390B (de) * 1953-09-24 1959-03-12 Bayer Ag Verfahren zur Herstellung von Perfluorfettsaeuren
US2870213A (en) * 1957-05-20 1959-01-20 Allied Chem Difluorochloroacetaldehyde and process
US3160659A (en) * 1960-05-20 1964-12-08 Halocarbon Prod Corp Preparation of perfluoro-and perchlorofluoro-acetyl chloride

Also Published As

Publication number Publication date
ES302482A1 (es) 1965-01-16
BE651103A (de) 1964-11-16
US3288850A (en) 1966-11-29
DE1229062B (de) 1966-11-24

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