Hydrogen sulfide

How to detect Hydrogen sulfide

Formula: | CAS:


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Specification


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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, % 44
Specification Value/Information
Lower Explosive Limit, % 4.3
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
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