... OEM R415 Physical PropertyMolecular Weight70.20Boiling Point,°C-26.72Critical Temperature, °C124Critical Pressure, Mpa4. ... 768Specific Heat of Liquid, 25°C,[KJ/(kg. °C)]0.935ODP0.007GWP440Quality IndexPurity,%≥99.8Moisture ... , PPm≤10Acidity, PPm≤1Vapor Residue, PPm≤100AppearanceColorless, No turbidOdorNo Strange StenchPackingDisposable cylinder 26 ...