Xylene mixed isomers

Violet 3, dimethyl benzenes

How to detect Xylene mixed isomers

Formula: C8H10 | CAS: 1330-20-7

Synonyms: Violet 3, dimethyl benzenes

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 Value/Information
Formula C8H10
CAS no. 1330-20-7
Gas Response Factor, 11.7 eV 0.49
Gas Response Factor, 10.6 eV 0.54
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
Boiling point, °C 138
Specification Value/Information
Upper Explosive Limit, % 6.6
Density, g.cm⁻³ 0.86
Ionisation Energy, eV 8.56
EH40 TWA, ppm 50
EH40 TWA, mg.m⁻³ 220
EH40 STEL, ppm 100
EH40 STEL, mg.m⁻³ 441