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Hydrocarbons, C4, if they contain > 0.1% w/w Butadiene

CAS 87741-01-3
14

Safety score · 0–100

Avoid

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

C4 hydrocarbon streams contaminated with >0.1% butadiene are prohibited in EU cosmetics due to butadiene's mutagenic and carcinogenic classification.

Hydrocarbons C4 (CAS 87741-01-3) refer to a cut of petroleum hydrocarbons containing four carbon atoms per molecule. If contaminated with more than 0.1% w/w 1,3-butadiene, this stream falls under EU Annex II prohibition for cosmetic use. Butadiene's status as a Group 1 carcinogen and H340/H350 classified mutagen makes any contamination above this threshold unacceptable in any consumer product, particularly those applied to the skin.

Known concerns

  • EU Annex II — butadiene contamination (>0.1% prohibited)
  • Known human carcinogen (butadiene)
  • Germ cell mutagen (H340)

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.