Hazard classDanger — Flammable, Health hazard, Irritant / harmful
PictogramsFlammableHealth hazardIrritant / harmful
H-statements- H225 Highly flammable liquid and vapour
- H350 May cause cancer
- H335 May cause respiratory irritation
- H319 Causes serious eye irritation
- EUH019 May form explosive peroxides
- EUH066 Repeated exposure may cause skin dryness or cracking
Common uses (US EPA CDR)SolventLaboratory chemicalsProcessing aids not otherwise specifiedIntermediateCleaning agent
Workplace exposure limitsNIOSH REL Ca C 1 ppm (3.6 mg/m3) [30-minute]
OSHA PEL TWA 100 ppm (360 mg/m3) [skin]
IDLH Ca [500 ppm]Occupational exposure limits — NIOSH Pocket Guide.
Synonyms1,4-DIOXANE · Dioxane · 123-91-1 · p-Dioxane · Diethylene ether · 1,4-Diethylene dioxide · 1,4-Dioxacyclohexane · Dioxan
Molecular weight88.11 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.