Methyl mercaptan

methanethiol, mercaptomethane, methanethiol, methyl sulfhydrate

How to detect Methyl mercaptan

Formula: CH4S | CAS: 74-93-1

Synonyms: methanethiol, mercaptomethane, methanethiol, methyl sulfhydrate

Specification

Specification Value/Information
Formula CH4S
CAS no. 74-93-1
Gas Response Factor, 11.7 eV 1
Gas Response Factor, 10.6 eV 0.7
Gas Response Factor, 10.0 eV 0.6
ppm per mg/m⁻³, (20 °C, 1 bar) 0.5
Molecular Weight, g/mole 48.0
Melting point, °C -121.1
Boiling point, °C 6
Flash point, °C -17.8 (aq)
Specification Value/Information
Upper Explosive Limit, % 21.8
Lower Explosive Limit, % 3.9
Density, g.cm⁻³ 0.9
Ionisation Energy, eV 9.44
EH40 TWA, ppm 0.5
EH40 TWA, mg.m⁻³ 1
NIOSH ceiling, ppm 0.5
NIOSH ceiling, mg.m⁻³ 1
NIOSH IDLH, ppm 150

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