Chemical Name | Difluoromethane |
Other Name | Carbon fluoride hydride, Methylene difluoride,Methylene fluoride, Freon-32, HFC-32, R32 |
CAS Number | 75-10-5 |
ELINCS Number | 200-839-4 |
Chemical Formula | CH2F2 |
Structural Formula | CH2F2 |
Molar Mass | 52.02 |
ODP(CFC-11 = 1) | 0 |
GWP100(CO2 = 1) | 749 |
Life Time(year) | 5.27 |
TWA(8-hr, mg/m3) | 2.5 |
Chemical Name | Difluoromethane |
Boiling Point(℃) | -52 |
Melting Point(℃) | -136 |
Liquid Density(g/cm3) | 1.1 |
Vapor Density(air=1) | 3.82 |
Vapor Pressure(21 ℃,kPa) | 1518.92 |
Critical Temperature(℃) | 78.45 |
Critical Pressure(MPa) | 5.83 |
Critical Density(g/cm3) | 0.43 |
Solubility in water(g/l) | >1.68 |
Flammability(℃) | Flammable |
Explosive Limit(%vol) | 13-33 |
Purity | 99.9% | 99.999% |
Cylinder Size | Valve Type | Filling Weight |
10.2 L | CGA 350 / DISS 724 | 6.5 kg |
44 L | CGA 350 / DISS 724 | 30 kg |
47 L | CGA 350 / DISS 724 | 30 kg |