Method of preparing trifluoroacetic acid from trichlorotrifluoro

Details Method of preparing trifluoroacetic acid from trichlorotrifluoro Method of preparing trifluoroacetic acid from trichlorotrifluoro

1985-03-19

1987-03-03

Reamer, James H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

C07C 51093

Patent

active

046476954

ABSTRACT:
Trifluoroacetic acid is easily formed by hydrolysis of 1,1,1-trichloro-2,2,2-trifluoroethane with water in the presence of a catalyst comprising an inorganic metal compound, preferably a chloride of Mn, Fe, Co, Ni, Cu or Zn. Preferably the hydrolysis reaction is carried out as a vapor phase contact reaction at 200.degree.-400.degree. C., using 5-15 moles of water per mole of trichlorotrifluoroethane.

REFERENCES:
patent: 1870601 (1932-08-01), Britton et al.
patent: 2396076 (1946-03-01), Benning et al.
patent: 3151051 (1964-09-01), Braid et al.
patent: 3288850 (1966-11-01), Nychka et al.
patent: 4172957 (1979-10-01), Carreia et al.
patent: 4340548 (1982-07-01), Anello et al.
J. Chem. Soc., 1959, "Oxidation of Polyhologen-compounds, Part II", pp. 387 to 396.

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