Isoprene

2-methylbuta-1,3-diene, β-methylbivinyl, isopentadiene, 2-methyl-1,3-butadiene, 2-methylbutadiene

How to detect Isoprene

Formula: C5H8 | CAS: 78-79-5

Synonyms: 2-methylbuta-1,3-diene, β-methylbivinyl, isopentadiene, 2-methyl-1,3-butadiene, 2-methylbutadiene

Specification

Specification Value/Information
Formula C5H8
CAS no. 78-79-5
Gas Response Factor, 11.7 eV 0.57
Gas Response Factor, 10.6 eV 0.9
Gas Response Factor, 10.0 eV 1.00
ppm per mg/m⁻³, (20 °C, 1 bar) 0.353
Molecular Weight, g/mole 68.2
Specification Value/Information
Melting point, °C -146
Boiling point, °C 34
Flash point, °C -54
Upper Explosive Limit, % 9.7
Lower Explosive Limit, % 1
Density, g.cm⁻³ 0.685
Ionisation Energy, eV 8.85