Product Description
1,1-Difluoromethane(R32)
[Chemical Formula]CH2F2
[Properties]
Molar mass |
52.02 |
Boiling point (1 atm), °C |
-51.7 |
Melting point (1 atm), °C |
– |
Vapor pressure（25℃），Mpa |
1.702 |
liquidDensity, 25℃(g/cm?3?) |
0.960 |
Critical pressure, MPa |
5.808 |
Critical densityg/cm3 |
0.430 |
Critical temperature °C |
78.52 |
Solubility(in water), 25℃, 100 Pa |
0.440 |
Specific heat（25℃）liquid, KJ/Kg℃ |
2.35 |
ODP |
0 |
GWP |
0.11 |
Vaporization heat below boiling point,KJ/Kg |
390.5 |
[Specification]
Determination |
Specification |
Appearance |
Clear, colorless, transparent liquid |
Purity, % |
≥99.8 |
Moisture mg/kg |
≤20.0 |
Acidity(HCl), mg/kg |
≤1.0 |
Evaporation residue mg/kg |
≤100.0 |