Xylene, p-

1,4-dimethylbenzene, 1,4-dimethylbenzene, para-xylene, p-xylol

How to detect Xylene, p-

Formula: C8H10 | CAS: 106-42-3

Synonyms: 1,4-dimethylbenzene, 1,4-dimethylbenzene, para-xylene, p-xylol

Xylenes are an important constituent of gasoline. They are a common constituent in oil based paints. p-xylene is ta raw aterial used to produce polyesters

Specification

Specification Value/Information
Formula C8H10
CAS no. 106-42-3
Gas Response Factor, 11.7 eV 0.51
Gas Response Factor, 10.6 eV 0.55
Gas Response Factor, 10.0 eV 0.59
ppm per mg/m⁻³, (20 °C, 1 bar) 0.227
Molecular Weight, g/mole 106.2
Melting point, °C 13
Boiling point, °C 138
Flash point, °C 27.2
Upper Explosive Limit, % 6.6
Lower Explosive Limit, % 1.1
Density, g.cm⁻³ 0.86
Specification Value/Information
Ionisation Energy, eV 8.44
EH40 TWA, ppm 50
EH40 TWA, mg.m⁻³ 220
EH40 STEL, ppm 100
EH40 STEL, mg.m⁻³ 441
NIOSH ST, ppm 150
NIOSH TWA REL, ppm 100
NIOSH ST, mg.m⁻³ 655
NIOSH TWA REL, mg.m⁻³ 435
NIOSH IDLH, ppm 900
OSHA TWA PEL, ppm 100
OSHA TWA PEL, mg.m⁻³ 435