3-chloro-2-methylpropene
Severity 8/10cosmetic ingredient
Is 3-chloro-2-methylpropene safe?
3-chloro-2-methylpropene carries significant published concerns (cancer concern, allergy risk, irritation, environmental impact).
Documented concerns
Each concern below is drawn from official data — see the cited sources ↓
Cancer concern
8/10Classified by IARC Group 2B; California Prop 65 (cancer); US NTP: reasonably anticipated carcinogen.
Allergy risk
8/10Classified by EU CLP Skin Sens. 1.
Irritation
8/10Classified by EU CLP Skin Corr. 1B.
Environmental impact
8/10Classified by EU CLP Aquatic Chronic 2.
Official regulatory status
Pulled directly from official regulatory datasets and expert reviews — not our own judgement.
Sources
Each authority below is shown only because our ingested copy of its data lists 3-chloro-2-methylpropene — not because we asserted it. Follow a link to verify the classification or regulation directly.
See our methodology for how these map to concern levels. Informational only — not medical advice.
Related ingredients
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