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BUTYLENE CARBONATE

CAS 4437-85-8
76

Safety score · 0–100

Fine

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

About

A cyclic carbonate derived from renewable butanediol that serves as an eco-friendly solvent in cosmetic formulations with a favorable safety profile.

Butylene carbonate (also known as 4-methyl-1,3-dioxolan-2-one) is a biodegradable cyclic carbonate used as a solvent in cosmetic formulations including nail polishes, skin care, and hair care products. It is not restricted in EU cosmetic regulation. It offers a safer environmental profile compared to propylene carbonate and has no reported toxicity concerns at cosmetic use levels.

Skin benefits

  • Enables stable formulation as a solvent carrier
  • Contributes to smooth product texture
  • Biodegradable and environmentally preferable solvent

Known concerns

  • Minimal concerns at cosmetic use concentrations

References

EU

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 — always read the physical product label and consult a healthcare professional for personal concerns.