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Gases (petroleum), catalytic cracking, if they contain > 0.1% w/w Butadiene

CAS 68783-64-2
8

Safety score · 0–100

Avoid

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

A catalytic cracking gas stream containing butadiene above the regulated threshold, banned from EU cosmetic products due to its mutagenic and carcinogenic classification.

This is a catalytic cracking off-gas from petroleum processing containing >0.1% w/w 1,3-butadiene. Butadiene is classified as a Category 1B mutagen (H340) and Category 1 carcinogen (H350) under EU CLP Regulation 1272/2008. The EU Cosmetics Regulation 1223/2009 Annex II prohibits CMR Category 1A/1B substances from cosmetic products, and butadiene at any concentration above 0.1% triggers this prohibition. This stream would not be permitted as an ingredient in any EU-market skincare product.

Known concerns

  • Contains >0.1% 1,3-butadiene, a Category 1B mutagen (H340)
  • Contains >0.1% 1,3-butadiene, a Category 1 carcinogen (H350)
  • Prohibited in EU cosmetic products under Regulation 1223/2009 Annex II
  • Complex mixture of C2-C4 hydrocarbons with variable toxicity
  • No safe cosmetic use

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.