Tetrafluoroethane, 1,1,1,2-
1,1,1,2-tetrafluoroethane, R134a, R407c = 52% R134a (C2H2F4), 25% R125 (C2HF5) and 23% R32 (CH2F2), R404a = 52% R143a (CH3F3), 44% R125 (C2HF5) and 4% R134a (C2H2F4)
How to detect Tetrafluoroethane, 1,1,1,2-
Formula: C2H2F4 | CAS: 811-97-2
Synonyms: 1,1,1,2-tetrafluoroethane, R134a, R407c = 52% R134a (C2H2F4), 25% R125 (C2HF5) and 23% R32 (CH2F2), R404a = 52% R143a (CH3F3), 44% R125 (C2HF5) and 4% R134a (C2H2F4)
Specification
| Specification | Value/Information |
|---|---|
| Formula | C2H2F4 |
| CAS no. | 811-97-2 |
| 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) | 0.236 |
| Molecular Weight, g/mole | 102.0 |
| Melting point, °C | -108 |
| Specification | Value/Information |
|---|---|
| Boiling point, °C | -26 |
| Flash point, °C | -79 |
| Lower Explosive Limit, % | - |
| Density, g.cm⁻³ | 1.21 |
| Ionisation Energy, eV | 12.2 |
| EH40 TWA, ppm | 1000 |
| EH40 TWA, mg.m⁻³ | 4240 |