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CAS 505-32-8 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 4106202/03/2011

TETRAMETHYL-1-HEXADECEN-3-OL

3,7,11-15-Tetramethylhexadec-1-en-3-ol

TETRAMETHYL-1-HEXADECEN-3-OL 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.

That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 505-32-8

CAS 505-32-8PubChem CID 10453

Isophytol

isophytol has been reported in Basella alba, Hordeum vulgare, and other organisms with data available. — LOTUS - the natural products occurrence database

IUPAC name: 3,7,11,15-tetramethylhexadec-1-en-3-ol

Molecular formula: C20H40O
Molecular weight: 296.5 g/mol
Exact mass: 296.307915895 Da
XLogP3: 7.8
Topological polar surface area: 20.2 Å²
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 1
Covalent units: 1
Defined stereocentres: 0

Also known as

1-Hexadecen-3-ol, 3,7,11,15-tetramethyl-2,6,10,14-Tetramethylhexadec-15-en-14-ol2,6,10-Trimethyl-14-vinylpentadecan-14-olA831ZI6VIMNSC-93744RefChem:149745208-008-83,7,11,15-Tetramethyl-1-hexadecen-3-ol

16 more reported names

NSC 937443,7,11,15-tetramethyl-1-hexadecene-3-ol1-Hexadecene-3-ol, 3,7,11,15-tetramethylHSDB 5673EINECS 208-008-8UNII-A831ZI6VIM3,7,11,15-Tetramethyl-1-hexadecen-3-ol; Isovegetable AlcoholAI3-25090isovegetable alcohol1-phyten-3-olIsophytol, >95%ISOPHYTOL [MI]ISOPHYTOL [HSDB]EC 208-008-8Isophytol, >=97.0%HMS3039F03

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEMBL:CHEMBL453797
EPA DTXSID:DTXSID2025474
PubMed:22096322
PubMed:21721229
PubMed:20141882
PubMed:19683242
PubMed:19413104
PubMed:19006145
PubMed:17972582
PubMed:14661208

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 TETRAMETHYL-1-HEXADECEN-3-OL

INCI name

TETRAMETHYL-1-HEXADECEN-3-OL

Description

3,7,11-15-Tetramethylhexadec-1-en-3-ol

Record provenance

Inventory reference: 41062
Imported identity: TETRAMETHYL-1-HEXADECEN-3-OL
Source update: 02/03/2011

European Commission CosIng source notes

Annex records for TETRAMETHYL-1-HEXADECEN-3-OL

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Key data

CAS

505-32-8

208-008-8

Restriction

—

Function

PERFUMING: Used for perfume and aromatic raw materials.

Ingredients with overlapping formulation functions

TETRAHYDRONAPHTHALENE-1-ETHANOLPERFUMING

TETRAHYDRONAPHTHALENE-2-ETHANOLPERFUMING

TETRAHYDRONAPHTHALENOLPERFUMING

TETRAMETHYL ACETYLOCTAHYDRONAPHTHALENESFRAGRANCE, PERFUMING, SKIN CONDITIONING

TETRAMETHYL-1-OXASPIRO-6-DECENEPERFUMING

TETRAMETHYL-3-CYCLOHEXENE-1-METHYL FORMATEPERFUMING

TETRAMETHYL-3-CYCLOPENTENEBUTANOLPERFUMING

TETRAMETHYL-4,8-DECADIENENITRILEPERFUMING

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 TETRAMETHYL-1-HEXADECEN-3-OL appears in the CosIng inventory

The CosIng inventory lists TETRAMETHYL-1-HEXADECEN-3-OL 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.

TETRAMETHYL-1-HEXADECEN-3-OL 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

TETRAMETHYL-1-HEXADECEN-3-OL 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, TETRAMETHYL-1-HEXADECEN-3-OL carries the following function designation(s):

PERFUMING

CAS 505-32-8 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 TETRAMETHYL-1-HEXADECEN-3-OL

This page reproduces the CosIng inventory entry for TETRAMETHYL-1-HEXADECEN-3-OL 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 TETRAMETHYL-1-HEXADECEN-3-OL 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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