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Gases (petroleum), thermal cracking distn., if they contain > 0.1% w/w Butadiene

CAS 68478-05-7
2

Safety score · 0–100

Avoid

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

A thermal cracking distillation overhead product containing butadiene above 0.1% w/w — a CMR Cat 1A substance that is unconditionally banned from cosmetic use in the EU.

Overhead distillate from thermal (steam) cracking distillation columns, containing light olefins and residual 1,3-butadiene above the 0.1% w/w conditional limit. Butadiene is classified as a CMR Cat 1A agent and appears on Annex II of EU Regulation 1223/2009 as a prohibited substance for cosmetics, meaning this stream cannot be used in any cosmetic product placed on the EU market under any circumstances.

Known concerns

  • Contains 1,3-butadiene >0.1% w/w — EU Annex II CMR Cat 1A carcinogen, banned from cosmetics
  • Thermal cracking origin implies potential for polynuclear aromatic contaminants
  • IARC Group 1 human carcinogen with no established safe dermal exposure level

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.