| abstract |
(57) [Summary] [Problem] Without deteriorating the excellent properties of chlorine-containing chlorofluorocarbons and chlorohydrocarbons such as detergency and low toxicity, there is no fear of ozone layer destruction, and the greenhouse effect Small novel azeotropic and azeotrope-like compositions are provided. SOLUTION: 1,1,1,2,3,3-hexafluoro- represented by the following formula: CF 3 CHFCF 2 OCH 2 CF 3 (1) An azeotropic or azeotrope-like composition comprising 3- (2,2,2-trifluoroethoxy) propane and at least one butanol selected from 2-butanol, isobutanol and t-butanol. |