Hazard classDanger — Flammable, Gas under pressure, Health hazard, Toxic, Corrosive
PictogramsFlammableGas under pressureHealth hazardToxicCorrosive
H-statements- H220 Extremely flammable gas
- H350 May cause cancer
- H340 May cause genetic defects
- H360Fd May damage fertility. Suspected of damaging the unborn child
- H331 Toxic if inhaled
- H301 Toxic if swallowed
- H335 May cause respiratory irritation
- H336 May cause drowsiness or dizziness
- H372 Causes damage to organs through prolonged or repeated exposure
- H314 Causes severe skin burns and eye damage
- H318 Causes serious eye damage
Common uses (US EPA CDR)IntermediateMonomers
Workplace exposure limitsNIOSH REL Ca TWA <0.1 ppm (0.18 mg/m3) C 5 ppm (9 mg/m3) [10-min/day] E
OSHA PEL TWA 1 ppm 5 ppm [15-minute Excursion]
IDLH Ca [800 ppm]Occupational exposure limits — NIOSH Pocket Guide.
SynonymsOxirane · ETHYLENE OXIDE · Epoxyethane · 1,2-Epoxyethane · Oxacyclopropane · Dihydrooxirene · Anprolene · Oxidoethane
Molecular weight44.05 g/mol
Data sourceHarmonised classification ECHA — EU CLP Annex VILegally binding EU classification adopted by ECHA under CLP Annex VI — the highest-confidence GHS source.