Ethyl mercaptan

ethanethiol, ethyl sulfhydrate, mercaptoethane, ethyl hydrosulfide, ethyl thioalcohol, thioethanol

How to detect Ethyl mercaptan

Formula: C2H6S | CAS: 75-08-1

Synonyms: ethanethiol, ethyl sulfhydrate, mercaptoethane, ethyl hydrosulfide, ethyl thioalcohol, thioethanol

Ethyl mercaptan is generally deemed a primary malodorant arising from incomplete containment of vapours released in refining.

Specification

Specification Value/Information
Formula C2H6S
CAS no. 75-08-1
Gas Response Factor, 11.7 eV 0.6
Gas Response Factor, 10.6 eV 0.6
Gas Response Factor, 10.0 eV 0.6
ppm per mg/m⁻³, (20 °C, 1 bar) 0.387
Molecular Weight, g/mole 62.0
Melting point, °C -147.8
Boiling point, °C 35
Flash point, °C -17.2
Specification Value/Information
Lower Explosive Limit, % 2.8
Density, g.cm⁻³ 0.839
Ionisation Energy, eV 9.29
EH40 TWA, ppm 0.5
EH40 TWA, mg.m⁻³ 1.3
EH40 STEL, ppm 2
EH40 STEL, mg.m⁻³ 5.2
NIOSH ceiling, ppm 0.5
NIOSH ceiling, mg.m⁻³ 1.3
NIOSH IDLH, ppm 500

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