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Naphtha (petroleum), solvent-refined heavy, if it contains > 0.1% w/w benzene

CAS 64741-92-0
8

Safety score · 0–100

Avoid

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

A solvent-refined heavy petroleum naphtha containing benzene above 0.1% w/w, classified as a presumed carcinogen and prohibited in EU cosmetic products under Regulation (EC) No 1223/2009.

Solvent refining uses selective solvents (e.g., furfural, N-methylpyrrolidone) to extract aromatic fractions from heavy petroleum naphtha. However, benzene removal is incomplete and the conditional benzene trigger applies to this stream. The heavy naphtha matrix (predominantly C8-C12) raises additional concerns for bioaccumulation and aquatic toxicity. Under EU Annex II, any benzene-containing stream at this threshold is banned from cosmetic use.

Known concerns

  • Contains >0.1% benzene — EU Annex II restricted CMR substance
  • Category 1A carcinogen under CLP Regulation (EC) No 1272/2008
  • Heavy hydrocarbon matrix — potential bioaccumulation concern
  • Solvent residues from refining process (furfural, NMP)
  • Aquatic toxicity from persistent aromatic constituents

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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Same plant / compound family

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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.