1,1,1,3,3-Pentafluoropropane (HFC-245fa, R245fa) Description: Appearance:colorless transparent liquid Content: 99.7% Moisture% : 0.005 Evaporation residue %: 0.01 Acidity %: 0.0003 CAS NO.: 460-73-1 HS CODE: 2903470000 Country of origin: China Annual output: 2500 tons