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Petroleum products, refinery gases, if they contain > 0.1% w/w Butadiene

CAS 68607-11-4
2

Safety score · 0–100

Avoid

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

About

Refinery gas stream from petroleum processing containing more than 0.1% w/w 1,3-butadiene — as a broad category of refinery byproduct gases, these are classified as CMR substances and are absolutely prohibited in EU cosmetics.

This refinery gas stream 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. ECHA's REACH restrictions and the EU Cosmetics Regulation together create a comprehensive prohibition: 1,3-butadiene above 0.1% w/w cannot be present in any cosmetic product placed on the EU market. Refinery gas streams are complex mixtures that typically contain flammable gases including butadiene.

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 mixture
  • Gas at ambient temperature — inhalation exposure risk
  • Broad refinery stream with variable composition

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.