Dichlorodifluoromethane
dichloro(difluoro)methane, R12, difluorodichloromethane, fluorocarbon 12, Freon® 12, Genetron® 12, Halon® 122, propellant 12, Refrigerant 12
How to detect Dichlorodifluoromethane
Formula: CCl2F2 | CAS: 75-71-8
Synonyms: dichloro(difluoro)methane, R12, difluorodichloromethane, fluorocarbon 12, Freon® 12, Genetron® 12, Halon® 122, propellant 12, Refrigerant 12
Specification
| Specification | Value/Information |
|---|---|
| Formula | CCl2F2 |
| CAS no. | 75-71-8 |
| 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) | 0.199 |
| Molecular Weight, g/mole | 120.9 |
| Melting point, °C | 158 |
| Boiling point, °C | '-30 |
| Flash point, °C | '- |
| Lower Explosive Limit, % | '- |
| Specification | Value/Information |
|---|---|
| Density, g.cm⁻³ | 1.35 |
| Ionisation Energy, eV | 11.75 |
| EH40 TWA, ppm | 1000 |
| EH40 TWA, mg.m⁻³ | 5030 |
| EH40 STEL, ppm | 1250 |
| EH40 STEL, mg.m⁻³ | 6280 |
| NIOSH TWA REL, ppm | 1000 |
| NIOSH TWA REL, mg.m⁻³ | 4950 |
| NIOSH IDLH, ppm | 15000 |
| OSHA TWA PEL, ppm | 1000 |
| OSHA TWA PEL, mg.m⁻³ | 4950 |
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