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Solvent

C8-9 ISOALKANE (FORMERLY C8-9 ISOPARAFFIN)

CAS 64741-66-8/ 90622-56-3
72

Safety score · 0–100

Fine

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

A very light volatile isoalkane used as a fast-drying solvent in cosmetics. CIR class review supports cosmetic use, but very short chains (C8-9) are drier and slightly more irritating.

Skin benefits

  • Light volatile carrier
  • Quick-evaporating solvent
  • CIR-reviewed isoalkane class

Known concerns

  • Short chains can dry and slightly irritate skin
  • Volatile vapors during application

References

EU

EU CosIng database

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

Related solvents

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.