Xylene, m-

1,3-dimethylbenzene, meta-Xylene, m-Xylol

Xylene, m-

Formula: C8H10 | CAS: 108-38-3

Synonyms: 1,3-dimethylbenzene, meta-Xylene, m-Xylol

Xylenes are an important constituent of gasoline and also used in the manufacture of various polyesters. They are a common constituent in oil based paints.

Specification

SpecificationValue/Information
FormulaC8H10
CAS no.108-38-3
Gas Response Factor, 11.7 eV0.46
Gas Response Factor, 10.6 eV0.5
Gas Response Factor, 10.0 eV0.53
ppm per mg/m⁻³, (20 °C, 1 bar)0.211
Molecular Weight, g/mole106.0
Melting point, °C-47.8
Boiling point, °C138.5
Flash point, °C27.8
Upper Explosive Limit, %6.6
Lower Explosive Limit, %1.1
Density, g.cm⁻³0.86
SpecificationValue/Information
Ionisation Energy, eV8.56
EH40 TWA, ppm50
EH40 TWA, mg.m⁻³220
EH40 STEL, ppm100
EH40 STEL, mg.m⁻³441
NIOSH ST, ppm100
NIOSH TWA REL, ppm435
NIOSH ST, mg.m⁻³150
NIOSH TWA REL, mg.m⁻³655
NIOSH IDLH, ppm900
OSHA TWA PEL, ppm100
OSHA TWA PEL, mg.m⁻³435