Hydrogen sulfide
hydrogen sulfide, hydrosulfuric acid, sewer gas, sulfuretted hydrogen, hydrogen sulphide
How to detect Hydrogen sulfide
Formula: H2S | CAS: 7783-06-4
Synonyms: hydrogen sulfide, hydrosulfuric acid, sewer gas, sulfuretted hydrogen, hydrogen sulphide
Specification
| Specification | Value/Information |
|---|---|
| Formula | H2S |
| CAS no. | 7783-06-4 |
| Gas Response Factor, 11.7 eV | 1.50 |
| Gas Response Factor, 10.6 eV | 4.00 |
| Gas Response Factor, 10.0 eV | ZR |
| ppm per mg/m⁻³, (20 °C, 1 bar) | 0.706 |
| Molecular Weight, g/mole | 34.1 |
| Melting point, °C | -85 |
| Boiling point, °C | -60 |
| Flash point, °C | - |
| Upper Explosive Limit, % | 50.2 |
| Specification | Value/Information |
|---|---|
| Lower Explosive Limit, % | 3.9 |
| Density, g.cm⁻³ | 1.496 |
| Ionisation Energy, eV | 10.46 |
| EH40 TWA, ppm | 5 |
| EH40 TWA, mg.m⁻³ | 7 |
| EH40 STEL, ppm | 10 |
| EH40 STEL, mg.m⁻³ | 14 |
| NIOSH IDLH, ppm | 100 |
| OSHA TWA PEL, ppm | 10 |
| OSHA TWA PEL, mg.m⁻³ | 15 |