Physical Property Molecular Formular CH3CHF2 Component Difluoroethane Molecular Weight 66.05 Boiling Point℃ -24.7 Critical Temperature℃ 113.5 Critical Pressure Mpa 6.160 GWP 140 ODP 0 Quality Index Purity ≧99.9％ Moistyre PPM ≦10 Acidity PPM ≦1.0 Vapor Residue PPM ≦100 Appearance Colorless: Colorless No turbid Odor Odorless