Azeotropes of 1,2-dichloro-1,1,2-trifluoroethane

Details Azeotropes of 1,2-dichloro-1,1,2-trifluoroethane Azeotropes of 1,2-dichloro-1,1,2-trifluoroethane

1977-01-21

1977-12-13

Pitlick, Harris A.

Compositions

Water-softening or purifying or scale-inhibiting agents

252305, 252364, 252DIG9, 134 38, 134 40, C11D 750, C23G 502, C11D 730

Patent

active

040627950

ABSTRACT:
Constant boiling binary admixtures are formed by 1,2-dichloro-1,1,2-trifluoroethane with trichlorofluoromethane, with diethyl ether, and with dichloromethane. A constant boiling ternary admixture is formed by 1,2-dichloro-1,1,2-trifluoroethane, diethyl ether, and 1,2-dibromo-1,1,2,2-tetrafluoroethane.

REFERENCES:
patent: 3349009 (1967-10-01), Ruehlen
patent: 3391204 (1968-07-01), Young
patent: 4002573 (1977-01-01), Hutchinson
patent: 4032467 (1977-06-01), Hutchinson
Miller et al., "Preferential Replacement Reactions of Highly Fluorinated Alkyl Halides", J. Am. Chem. Soc. 79, 4164-4169 (1957).

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