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Hydrocarbons, C1-3, if they contain > 0.1% w/w Butadiene

CAS 68527-16-2
3

Safety score · 0–100

Avoid

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

About

A light hydrocarbon gas fraction (methane to propane) with potential 1,3-butadiene contamination; butadiene at this level is prohibited under EU Annex II as a Category 1A carcinogen.

The C1-3 hydrocarbon window includes natural gas and refinery gas components. Butadiene contamination is a recognized issue in certain refinery streams, and the EU Annex II entry for benzene-equivalent carcinogens in Regulation 1223/2009 effectively prohibits any cosmetic ingredient with >0.1% w/w of this impurity. This is an industrial refining product with no cosmetic application profile.

Known concerns

  • 1,3-Butadiene >0.1% w/w — EU Annex II prohibited carcinogen
  • Industrial refining gas with no SCCS safety opinion
  • Volatile hydrocarbon mixture with inhalation toxicity concerns

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 — always read the physical product label and consult a healthcare professional for personal concerns.