Butyl mercaptan, n-

butane-1-thiol, butanethiol, 1-butanethiol, n-butanethiol, 1-mercaptobutane, butane thiol, thiobytyl alcohol

How to detect Butyl mercaptan, n-

Formula: C4H10S | CAS: 109-79-5

Synonyms: butane-1-thiol, butanethiol, 1-butanethiol, n-butanethiol, 1-mercaptobutane, butane thiol, thiobytyl alcohol

Specification

Specification Value/Information
Formula C4H10S
CAS no. 109-79-5
Gas Response Factor, 11.7 eV 0.50
Gas Response Factor, 10.6 eV 0.80
Gas Response Factor, 10.0 eV 0.80
ppm per mg/m⁻³, (20 °C, 1 bar) 0.267
Molecular Weight, g/mole 90.2
Melting point, °C -116
Boiling point, °C 98
Flash point, °C 1
Specification Value/Information
Upper Explosive Limit, % 11.3
Lower Explosive Limit, % 1.4
Density, g.cm⁻³ 0.842
Ionisation Energy, eV 9.15
NIOSH ceiling, ppm 0.5
NIOSH ceiling, mg.m⁻³ 1.8
NIOSH IDLH, ppm 500
OSHA TWA PEL, ppm 10
OSHA TWA PEL, mg.m⁻³ 35