Azeotropic distillation of 1,1,1,3,3,3-hexafluoroisopropyl trifl

Details Azeotropic distillation of 1,1,1,3,3,3-hexafluoroisopropyl trifl Azeotropic distillation of 1,1,1,3,3,3-hexafluoroisopropyl trifl

1976-05-07

1977-05-31

Bascomb, Jr., Wilbur L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

203 37, 203 60, 203 67, 260487, 260653, 260633, 204 59R, B01D 336

Patent

active

040269302

ABSTRACT:
1,1,1,3,3,3-Hexafluoroisopropyl trifluoroacetate is separated from a crude reaction mixture by adding fluorotrichloromethane to said mixture and subjecting the resulting composition to fractional distillation to fractionally distill an azeotrope consisting of said 1,1,1,3,3,3-hexafluoroisopropyl trifluoroacetate and said fluorotrichloromethane from the crude mixture.

REFERENCES:
patent: 3288850 (1966-11-01), Nychka et al.
patent: 3445507 (1969-05-01), Newallis et al.
patent: 3477952 (1969-11-01), Bauer et al.
patent: 3894082 (1975-07-01), Fernschild et al.

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