Ethylene oxide

oxirane, dimethylene oxide, oxane, 1,2-epoxy ethane, C2H4O, ETO

How to detect Ethylene oxide

Formula: C2H4O | CAS: 75-21-8

Synonyms: oxirane, dimethylene oxide, oxane, 1,2-epoxy ethane, C2H4O, ETO

Ethylene oxide is the starting point for a wide variety of chemicals, most importantly ethylene glycol and polyethylene glycols.

Specification

Specification Value/Information
Formula C2H4O
CAS no. 75-21-8
Gas Response Factor, 11.7 eV 2
Gas Response Factor, 10.6 eV 9
Gas Response Factor, 10.0 eV ZR
ppm per mg/m⁻³, (20 °C, 1 bar) 0.546
Molecular Weight, g/mole 44.0
Melting point, °C -112.8
Boiling point, °C 10.7
Flash point, °C -28.9 (aq)
Upper Explosive Limit, % 100
Lower Explosive Limit, % 3
Specification Value/Information
Density, g.cm⁻³ 0.82
Ionisation Energy, eV 10.56
EH40 TWA, ppm 5
EH40 TWA, mg.m⁻³ 9.2
NIOSH TWA REL, ppm 0.1
NIOSH TWA REL, mg.m⁻³ 0.18
NIOSH ceiling, ppm 5
NIOSH ceiling, mg.m⁻³ 9
NIOSH IDLH, ppm 800
OSHA TWA PEL, ppm 1
OSHA TWA PEL, mg.m⁻³ 5

TITLE HERE