Other
Gases (petroleum), C3-4, isobutane-rich, if they contain > 0.1% w/w Butadiene
Safety score · 0–100
Avoid
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
C3-4 isobutane-rich gas streams from petroleum refining containing >0.1% w/w 1,3-butadiene, placing them on EU Annex II as prohibited CMR Category 1A substances under Regulation 1223/2009.
C3-4 isobutane-rich petroleum gas streams contain >0.1% w/w 1,3-butadiene, classified as Carc. 1A under CLP Regulation 1272/2008 and banned from cosmetics under EU Regulation 1223/2009 Annex II. These refinery gas streams carry the same regulatory status as the pure butadiene impurity itself by virtue of the concentration threshold. No cosmetic function has been identified, and no SCCS safety assessment exists for these streams.
Known concerns
- Contains >0.1% w/w 1,3-butadiene (Category 1A carcinogen, EU Annex II banned)
- Liquefied petroleum gas fraction — no cosmetic application or safety data
- CMR classification triggered by butadiene content
References
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.