Benzene

benzolene, carbon oil, coal naptha, cyclohexatriene, phenyl hydride, pyrobenzol

How to detect Benzene

Formula: C6H6 | CAS: 71-43-2

Synonyms: benzolene, carbon oil, coal naptha, cyclohexatriene, phenyl hydride, pyrobenzol

Benzene is a major constituent of crude oil, an excellent fuel and solvent and a precursor used in the manufacture of many chemicals, particularly upon reaction to form cyclohexane, ethyl benzene and cumene.

Specification

Specification Value/Information
Formula C6H6
CAS no. 71-43-2
Gas Response Factor, 11.7 eV 0.53
Gas Response Factor, 10.6 eV 0.5
Gas Response Factor, 10.0 eV 0.54
ppm per mg/m⁻³, (20 °C, 1 bar) 0.308
Molecular Weight, g/mole 78.0
Melting point, °C 5.53
Boiling point, °C 80.1
Flash point, °C -11.1
Specification Value/Information
Upper Explosive Limit, % 7.9
Lower Explosive Limit, % 1.3
Density, g.cm⁻³ 0.8765
Ionisation Energy, eV 9.24378
EH40 TWA, ppm 1
EH40 TWA, mg.m⁻³ 3.25
NIOSH ST, ppm 1
NIOSH TWA REL, ppm 0.1
NIOSH IDLH, ppm 500
OSHA TWA PEL, ppm 1

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