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3,5,5-trimethylcyclohex-2-enone; isophorone

CAS 78-59-1 · C9H14O
Hazard class
Warning — Health hazard, Irritant / harmful
Pictograms
Health hazardIrritant / harmful
H-statements
  • H351 Suspected of causing cancer
  • H312 Harmful in contact with skin
  • H302 Harmful if swallowed
  • H335 May cause respiratory irritation
  • H319 Causes serious eye irritation
Common uses (US EPA CDR)
SolventIntermediateAdhesion/cohesion promoterStabilizing agent
Workplace exposure limits
NIOSH REL TWA 4 ppm (23 mg/m3)
OSHA PEL TWA 25 ppm (140 mg/m3)
IDLH 200 ppm
Occupational exposure limits — NIOSH Pocket Guide.
Synonyms
ISOPHORONE · Isoacetophorone · 3,5,5-Trimethylcyclohex-2-en-1-one · 3,5,5-Trimethyl-2-cyclohexen-1-one · Isoforone · Isoforon · Isooctopherone · Izoforon
Molecular weight
138.21 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