Dichlorofluoromethane
dichloro(fluoro)methane, R21, dichlorofluoromethane, Halon® 112, Refrigerant 21
How to detect Dichlorofluoromethane
Formula: CHFCl2 | CAS: 75-43-4
Synonyms: dichloro(fluoro)methane, R21, dichlorofluoromethane, Halon® 112, Refrigerant 21
Specification
Specification | Value/Information |
---|---|
Formula | CHFCl2 |
CAS no. | 75-43-4 |
Gas Response Factor, 11.7 eV | ZR |
Gas Response Factor, 10.6 eV | ZR |
Gas Response Factor, 10.0 eV | ZR |
ppm per mg/m⁻³, (20 °C, 1 bar) | 0.234 |
Molecular Weight, g/mole | 102.9 |
Melting point, °C | -135 |
Boiling point, °C | 9 |
Flash point, °C | -36 |
Upper Explosive Limit, % | 54.7 |
Specification | Value/Information |
---|---|
Lower Explosive Limit, % | - |
Density, g.cm⁻³ | 1.48 |
Ionisation Energy, eV | 12.39 |
EH40 TWA, ppm | 10 |
EH40 TWA, mg.m⁻³ | 43 |
NIOSH TWA REL, ppm | 10 |
NIOSH TWA REL, mg.m⁻³ | 40 |
NIOSH IDLH, ppm | 5000 |
OSHA TWA PEL, ppm | 1000 |
OSHA TWA PEL, mg.m⁻³ | 4200 |