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Fragrance

OCTAHYDRO-PENTAMETHYL-INDENE

CAS 33704-60-8
75

Safety score · 0–100

Fine

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

About

A polycyclic hydrocarbon indene-type fragrance material for woody/musky character. Polycyclic musk class has bioaccumulation scrutiny.

Octahydro-pentamethyl-indene (CAS 33704-60-8) is a polycyclic saturated hydrocarbon used in perfumery for woody/musky notes. Polycyclic musk class (galaxolide, tonalide analogs) has received scientific scrutiny for environmental persistence and bioaccumulation; the specific compound here has a thin public dossier. IFRA/RIFM govern industry use. Default-down applied.

Function

PERFUMING

Skin benefits

  • Woody-musky fragrance note

Known concerns

  • Polycyclic musk class environmental concerns
  • Thin public dossier
  • Potential bioaccumulation

References

EU

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.