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 1.00
Gas Response Factor, 10.6 eV 0.70
Gas Response Factor, 10.0 eV 0.60
ppm per mg/m⁻³, (20 °C, 1 bar) 0.5
Molecular Weight, g/mole 48.1
Melting point, °C -123
Boiling point, °C 6
Flash point, °C -18
Specification Value/Information
Upper Explosive Limit, % 21
Lower Explosive Limit, % 4.1
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