... refrigerants such as R404, R408, R507. 3.High Purity 1,1,1-Trifluoroethane, or R- ... fluorocarbon compound that is a clear, colorless gas. It should not be confused with the ... not an ozone-depleting chemical, though its high chemical stability and infra-red absorbency make ... gas.Trifluoroethane is also used as a propellant in canned air products used to clean electronic equipment. High quality R143a gas ...