Trade Name: Fluorinert Electronic Liquid FCH 720.
Other names: Ethyl nonafluorobutyl ether; PERFLUOROBUTYL ETHYL ETHER.
CAS NO.: 163702-05-4
 
Ethyl nonafluorobutyl ether FCH720 is a clear, colorless and low-odor fluid. With zero
ozone depletion potential and low global warming potential, it can be used as
replacement of chlorinated materials in many applications.