Search SDS
Browse › Chemical

4-methylpent-3-en-2-one; mesityl oxide

CAS 141-79-7 · C6H10O
Hazard class
Warning — Flammable, Irritant / harmful
Pictograms
FlammableIrritant / harmful
H-statements
  • H226 Flammable liquid and vapour
  • H332 Harmful if inhaled
  • H312 Harmful in contact with skin
  • H302 Harmful if swallowed
Workplace exposure limits
NIOSH REL TWA 10 ppm (40 mg/m3)
OSHA PEL TWA 25 ppm (100 mg/m3)
IDLH 1400 ppm [10%LEL]
Occupational exposure limits — NIOSH Pocket Guide.
Synonyms
MESITYL OXIDE · 4-Methylpent-3-en-2-one · 4-Methyl-3-penten-2-one · Isopropylideneacetone · 3-Penten-2-one, 4-methyl- · Methyl isobutenyl ketone · Isobutenyl methyl ketone · Mesityloxid
Molecular weight
98.14 g/mol
Browse similar
Flammable · Irritant / harmful
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.
Search the full chemical database →
GHS/CLP classification from authoritative registries (ECHA Annex VI, PubChem). SNRL is a free chemical safety search. Browse categories · API · Console
Guide only. This information is compiled from published safety data sheets and public regulatory registries and is believed correct at the date of publication shown. It is not all-inclusive and shall be used only as a guide. It does not replace the manufacturer’s current Safety Data Sheet, which governs in all cases. SNRL shall not be held liable for any injury, loss or damage resulting from handling of, or contact with, any product listed.