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 | 1.5 |
Gas Response Factor, 10.6 eV | 4 |
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 |