Hydrogen
hydrogen
How to detect Hydrogen
Formula: H2 | CAS: 1333-74-0
Synonyms: hydrogen
Specification
| Specification | Value/Information |
|---|---|
| Formula | H2 |
| CAS no. | 1333-74-0 |
| 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) | 11.933 |
| Molecular Weight, g/mole | 2.0 |
| Specification | Value/Information |
|---|---|
| Melting point, °C | '-259 |
| Boiling point, °C | '-253 |
| Flash point, °C | '-18 |
| Upper Explosive Limit, % | 75 |
| Lower Explosive Limit, % | 4 |
| Density, g.cm⁻³ | 0.088 |
| Ionisation Energy, eV | 15.43 |









