Decahydro‑Hydroxy‑Tetramethyl‑Naphthalene‑Ethanol

INCI: DECAHYDRO-2-HYDROXY-2,5,5,8A-TETRAMETHYLNAPHTHALENE-1-ETHANOL

CAS Number
91915‑xx‑x range; PubChem lists Decahydro‑2‑hydroxy‑2,5,5,8a‑tetramethylnaphthalene‑1‑ethanol with EINECS 259‑880‑1 (exact CAS 91915‑xx‑x as per PubChem entry).
Function
Fragrance ingredient with woody/amber note
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status prohibited
🇺🇸 US Status permitted
US Notes Not specifically regulated by FDA; used as proprietary fragrance raw material under IFRA guidance.

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
moderate
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Polycyclic fragrance with potential environmental persistence; monitor IFRA amendments and any future SCCS opinions on related structures.

⚠️
Concern Level: Low

Regulatory Flags

fragrance-component

Frequently Asked Questions

Is Decahydro‑Hydroxy‑Tetramethyl‑Naphthalene‑Ethanol safe in cosmetics?

Polycyclic fragrance with potential environmental persistence; monitor IFRA amendments and any future SCCS opinions on related structures. The EU classifies Decahydro‑Hydroxy‑Tetramethyl‑Naphthalene‑Ethanol as "prohibited". Safety rating: GOOD.

Is Decahydro‑Hydroxy‑Tetramethyl‑Naphthalene‑Ethanol allowed in the EU?

Decahydro‑Hydroxy‑Tetramethyl‑Naphthalene‑Ethanol EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Decahydro‑Hydroxy‑Tetramethyl‑Naphthalene‑Ethanol do in cosmetics?

Decahydro‑Hydroxy‑Tetramethyl‑Naphthalene‑Ethanol functions as: Fragrance ingredient with woody/amber note. It is classified as a cosmetic ingredient in our database. CAS number: 91915‑xx‑x range; PubChem lists Decahydro‑2‑hydroxy‑2,5,5,8a‑tetramethylnaphthalene‑1‑ethanol with EINECS 259‑880‑1 (exact CAS 91915‑xx‑x as per PubChem entry)..

What is the Margin of Safety for Decahydro‑Hydroxy‑Tetramethyl‑Naphthalene‑Ethanol?

adequate The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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