Other
Butane, if it contains = >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.
Butane, if it contains = >0,1 % w/w Butadiene is a cosmetic ingredient used in product formulations. Its specific function may vary between products. Exercise caution due to limited available safety data.
Butane (CAS 106-97-8) is a hydrocarbon propellant used in cosmetic aerosol products. When contaminated with more than 0.1% w/w 1,3-butadiene, it falls under EU Annex II restriction. Butadiene is classified by IARC as Group 1 (known human carcinogen) and by EU CLP as H340 (germ cell mutagen) and H350 (carcinogen). This combination makes contaminated butane one of the highest-risk ingredients in this batch, placing it firmly in the 0-19 band despite not being a deliberately added cosmetic ingredient.
Known concerns
- EU Annex II — butadiene contamination (>0.1% prohibited)
- Known human carcinogen (1,3-butadiene, IARC Group 1)
- Germ cell mutagen (H340)
- Carcinogen (H350)
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related others
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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.