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CAS 666-84-2 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

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InventoryRef 3155203/08/2020

ABIETYL ALCOHOL

[1R-(1.alpha.,4a.beta.,4b.alpha.,10a.alpha.)]-1,2,3,4,4a,4b,5,6,10,10a-decahydro-7-isopropyl-1,4a-dimethylphenanthren-1-methanol

ABIETYL ALCOHOL is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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Regulatory evidence by market

No rule for this ingredient has been imported for any of the 13 markets tracked here.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 666-84-2

CAS 666-84-2PubChem CID 443474

Abietinol

Abietol is an abietane diterpenoid having the skeleton of abietane with double bonds at C-7 and C-13 and a hydroxy function at C-18. It derives from a hydride of an abieta-7,13-diene. — ChEBI

IUPAC name: [(1R,4aR,4bR,10aR)-1,4a-dimethyl-7-propan-2-yl-2,3,4,4b,5,6,10,10a-octahydrophenanthren-1-yl]methanol

Molecular formula: C20H32O
Molecular weight: 288.5 g/mol
Exact mass: 288.245315640 Da
XLogP3: 4.9
Topological polar surface area: 20.2 Å²
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 1
Covalent units: 1
Defined stereocentres: 4

Also known as

Abietyl alcoholAbietolabieta-7,13-dien-18-olabietadienol642VCU97YRCHEBI:29510((1R,4aR,4bR,10aR)-7-isopropyl-1,4a-dimethyl-1,2,3,4,4a,4b,5,6,10,10a-decahydrophenanthren-1-yl)methanol((1R,4aR,4bR,10aR)-1,4a-dimethyl-7-propan-2-yl-2,3,4,4b,5,6,10,10a-octahydrophenanthren-1-yl)methanol

13 more reported names

RefChem:914897211-564-4Podocarpa-7,13-dien-15-ol, 13-isopropyl-1-phenanthrenemethanol, 1,2,3,4,4a,4b,5,6,10,10a-decahydro-1,4a-dimethyl-7-(1-methylethyl)-, (1R,4aR,4bR,10aR)-UNII-642VCU97YREINECS 211-564-4Abieta-7,13-diene-18-olAbietinol; Abietol; abietadienol; abietyl alcohol(1R-(1.ALPHA.,4A.BETA.,4B.ALPHA.,10A.ALPHA.))-1,2,3,4,4A,4B,5,6,10,10A-DECAHYDRO-7-ISOPROPYL-1,4A-DIMETHYLPHENANTHREN-1-METHANOL(1R-(1alpha,4Abeta,4balpha,10aalpha))-1,2,3,4,4a,4b,5,6,10,10a-decahydro-7-isopropyl-1,4a-dimethylphenanthren-1-methanol1-PHENANTHRENEMETHANOL, 1,2,3,4,4A,4B,5,6,10,10A-DECAHYDRO-1,4A-DIMETHYL-7-(1-METHYLETHYL)-, (1R-(1.ALPHA.,4A.BETA.,4B.ALPHA.,10A.ALPHA.))-1-Phenanthrenemethanol, 1,2,3,4,4a,4b,5,6,10,10a-decahydro-1,4a-dimethyl-7-(1-methylethyl- )-,InChI=1/C20H32O/c1-14(2)15-6-8-17-16(12-15)7-9-18-19(3,13-21)10-5-11-20(17,18)4/h7,12,14,17-18,21H,5-6,8-11,13H2,1-4H3/t17-,18-,19-,20+/m0/s

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External database identifiers

ChEBI:CHEBI:29510
ChEMBL:CHEMBL304954
EPA DTXSID:DTXSID40216769

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Inventory details for ABIETYL ALCOHOL

INCI name

ABIETYL ALCOHOL

Description

[1R-(1.alpha.,4a.beta.,4b.alpha.,10a.alpha.)]-1,2,3,4,4a,4b,5,6,10,10a-decahydro-7-isopropyl-1,4a-dimethylphenanthren-1-methanol

Record provenance

Inventory reference: 31552
Imported identity: ABIETYL ALCOHOL
Source update: 03/08/2020

European Commission CosIng source notes

Annex records for ABIETYL ALCOHOL

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Key data

CAS

666-84-2

211-564-4

Restriction

—

Function

VISCOSITY CONTROLLING: Increasing or decreasing the viscosity (thickness) of cosmetics.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

#439 · ABIETYL ALCOHOL

Ingredients with overlapping formulation functions

1,2,6-HEXANETRIOLHUMECTANT, SOLVENT, VISCOSITY CONTROLLING

1,2-BUTANEDIOLHUMECTANT, SKIN CONDITIONING, SOLVENT, VISCOSITY CONTROLLING

3-HYDROXYBUTYRATE/4-HYDROXYBUTYRATE COPOLYMERABRASIVE, VISCOSITY CONTROLLING

7-DEHYDROCHOLESTEROLEMULSION STABILISING, SKIN CONDITIONING, VISCOSITY CONTROLLING

ACACIA FARNESIANA FLOWER/STEM EXTRACTASTRINGENT, VISCOSITY CONTROLLING

ACACIA FARNESIANA GUMASTRINGENT, FILM FORMING, VISCOSITY CONTROLLING

ACACIA SENEGAL FLOWER/STEM EXTRACTVISCOSITY CONTROLLING

ACACIA SENEGAL GUM EXTRACTVISCOSITY CONTROLLING

Additional official and scientific sources

11 external databases to check this identity in

Each link searches that source for this identity. What each source is, and its legal weight

ECHA CHEM / Information on chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal

How ABIETYL ALCOHOL appears in the CosIng inventory

The CosIng inventory lists ABIETYL ALCOHOL as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

ABIETYL ALCOHOL is also tagged with 1 cosmetic function in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

ABIETYL ALCOHOL is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, ABIETYL ALCOHOL carries the following function designation(s):

VISCOSITY CONTROLLING

CAS 666-84-2 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

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Source note for ABIETYL ALCOHOL

This page reproduces the CosIng inventory entry for ABIETYL ALCOHOL from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research ABIETYL ALCOHOL and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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