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Gases (petroleum), reforming hydrotreater, if they contain > 0.1% w/w Butadiene

CAS 68478-02-4
2

Safety score · 0–100

Avoid

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

About

A reforming hydrotreater gas stream from petroleum refining containing more than 0.1% w/w 1,3-butadiene — butadiene's classification as a Category 1A carcinogen with no safe threshold makes this prohibited in EU cosmetics.

This gas stream is from the reforming hydrotreater unit of a petroleum refinery and contains 1,3-butadiene above the 0.1% w/w threshold, triggering prohibition under EU Cosmetics Regulation 1223/2009 Annex II. Under CLP Regulation (EC) 1272/2008, 1,3-butadiene is classified as carcinogenic Category 1A and germ cell mutagenic Category 1B. REACH Annex XVII entry 28 restricts 1,3-butadiene to below 0.1% in substances and mixtures placed on the market, and its use in cosmetic products is expressly prohibited in the EU regardless of the matrix it appears in.

Known concerns

  • Contains 1,3-butadiene >0.1% w/w — EU Annex II prohibited substance
  • CMR Category 1A carcinogen, Category 1B mutagen under CLP
  • Extremely flammable
  • Gas at ambient temperature — inhalation exposure risk
  • No permitted use level in cosmetics

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.