Isobutane

2-methylpropane, R600a, R600a, R600a, trimethylmethane, 1,1-dimethylethane

How to detect Isobutane

Formula: C4H10 | CAS: 75-28-5

Synonyms: 2-methylpropane, R600a, R600a, R600a, trimethylmethane, 1,1-dimethylethane

Specification

Specification Value/Information
Formula C4H10
CAS no. 75-28-5
Gas Response Factor, 11.7 eV 1.20
Gas Response Factor, 10.6 eV 8.00
Gas Response Factor, 10.0 eV ZR
ppm per mg/m⁻³, (20 °C, 1 bar) 0.414
Molecular Weight, g/mole 58.1
Melting point, °C -160
Specification Value/Information
Boiling point, °C -12
Flash point, °C -83
Upper Explosive Limit, % 9.6
Lower Explosive Limit, % 1.5
Density, g.cm⁻³ 0.551
Ionisation Energy, eV 10.57
NIOSH TWA REL, ppm 800
NIOSH TWA REL, mg.m⁻³ 1900