CAS No.:811-97-2 Other Names:HFC-134a MF:CH2FCF3 EINECS No.:* Grade Standard:Industrial Grade Purity:99.95% Appearance:colorless Application:R-12 substitud Purity:99.9 Chemical Name:CH 2 FCF 3 CAS:811-97-2 Product Name:Tetrafluoroethane use for:aircondition Usage:car Type:refrigeration gas Item:freeze gas