Xylene, o-

1,2-dimethylbenzene, ortho-xylene, o-xylol

Xylene, o-

Formula: C8H10 | CAS: 95-47-6

Synonyms: 1,2-dimethylbenzene, ortho-xylene, o-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.95-47-6
Gas Response Factor, 11.7 eV0.52
Gas Response Factor, 10.6 eV0.5
Gas Response Factor, 10.0 eV0.6
ppm per mg/m⁻³, (20 °C, 1 bar)0.211
Molecular Weight, g/mole106.0
Melting point, °C-25
Boiling point, °C144.4
Flash point, °C32.2
Upper Explosive Limit, %6.6
Lower Explosive Limit, %0.9
Density, g.cm⁻³0.88
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