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1,4-Dioxane

CAS 123-91-1 · C4H8O2
Hazard class
Danger — Flammable, Health hazard, Irritant / harmful
Pictograms
FlammableHealth 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 limits
NIOSH 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.
Synonyms
1,4-DIOXANE · Dioxane · 123-91-1 · p-Dioxane · Diethylene ether · 1,4-Diethylene dioxide · 1,4-Dioxacyclohexane · Dioxan
Molecular weight
88.11 g/mol
Data source
Harmonised classification ECHA — EU CLP Annex VI
Legally binding EU classification adopted by ECHA under CLP Annex VI — the highest-confidence GHS source.
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GHS/CLP classification from authoritative registries (ECHA Annex VI, PubChem). SNRL is a free chemical safety search. Browse categories · API · Console