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InventoryRef 4118702/03/2011

TRIMETHYL-3-CYCLOHEXENE-1-METHANETHIOL

alpha,alpha,4-Trimethylcyclohex-3-ene-1-methanethiol

TRIMETHYL-3-CYCLOHEXENE-1-METHANETHIOL 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 71159-90-5

CAS 71159-90-5PubChem CID 6427135

1-p-MENTHENE-8-THIOL

2-(4-Methylcyclohex-3-en-1-yl)propane-2-thiol is a p-menthane monoterpenoid. — ChEBI

IUPAC name: 2-(4-methylcyclohex-3-en-1-yl)propane-2-thiol

Molecular formula: C10H18S
Molecular weight: 170.32 g/mol
Exact mass: 170.11292175 Da
XLogP3: 2.8
Topological polar surface area: 1.0 Å²
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 1
Covalent units: 1
Defined stereocentres: 0

Also known as

p-menth-1-ene-8-thiolP-Menth-1-en-8-thiolgrapefruit mercaptanFEMA No. 3700alpha,alpha,4-Trimethyl-3-cyclohexene-1-methanethiolalpha,alpha,4-Trimethylcyclohex-3-ene-1-methanethiol7AT54D0N8REINECS 275-223-1

16 more reported names

EINECS 280-191-73-Cyclohexene-1-methanethiol, .alpha.,.alpha.,4-trimethyl-1-P-MENTHENE-8-THIOL [FHFI]3-Cyclohexene-1-methanethiol, alpha,alpha,4-trimethyl-(1)-alpha,alpha,4-Trimethylcyclohex-3-ene-1-methanethiol2-(4-METHYLCYCLOHEX-3-ENYL)PROPANE-2-THIOL.ALPHA.,.ALPHA.,4-TRIMETHYLCYCLOHEX-3-ENE-1-METHANETHIOLRefChem:435339(+-)-1-P-MENTHENE-8-THIOL1-P-MENTHENE-8-THIOL, (+-)-275-223-11-p-menthen-8-thiolp-1-Menthene-8-thiolFEMA 3700UNII-7AT54D0N8Rp-1-Menthen-8-thiol

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External database identifiers

ChEBI:CHEBI:184430
EPA DTXSID:DTXSID1052458
PubMed:11829649
PubMed:11312864

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 TRIMETHYL-3-CYCLOHEXENE-1-METHANETHIOL

INCI name

TRIMETHYL-3-CYCLOHEXENE-1-METHANETHIOL

Description

alpha,alpha,4-Trimethylcyclohex-3-ene-1-methanethiol

Record provenance

Inventory reference: 41187
Imported identity: TRIMETHYL-3-CYCLOHEXENE-1-METHANETHIOL
Source update: 02/03/2011

European Commission CosIng source notes

Annex records for TRIMETHYL-3-CYCLOHEXENE-1-METHANETHIOL

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Key data

CAS

71159-90-5

275-223-1

Restriction

—

Function

PERFUMING: Used for perfume and aromatic raw materials.

Ingredients with overlapping formulation functions

TRIMETHYL-2-CYCLOHEXENE-1,4-DIONEPERFUMING

TRIMETHYL-2-CYCLOHEXENOLPERFUMING

TRIMETHYL-2-CYCLOHEXENYL-3-PENTANONE/2-PROPYNOLPERFUMING

TRIMETHYL-2-DECENE-6,8-DIONEPERFUMING

TRIMETHYL-3-CYCLOHEXENYL-3-BUTEN-2-ONEPERFUMING

TRIMETHYL-3-CYCLOPENTENYLACETONITRILEPERFUMING

TRIMETHYL-3-METHYLVINYL-4-VINYLCYCLOHEXYLMETHYL ACETATEPERFUMING

TRIMETHYL-3-NONENOLPERFUMING

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 TRIMETHYL-3-CYCLOHEXENE-1-METHANETHIOL appears in the CosIng inventory

The CosIng inventory lists TRIMETHYL-3-CYCLOHEXENE-1-METHANETHIOL 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.

TRIMETHYL-3-CYCLOHEXENE-1-METHANETHIOL 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

TRIMETHYL-3-CYCLOHEXENE-1-METHANETHIOL 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, TRIMETHYL-3-CYCLOHEXENE-1-METHANETHIOL carries the following function designation(s):

PERFUMING

CAS 71159-90-5 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 TRIMETHYL-3-CYCLOHEXENE-1-METHANETHIOL

This page reproduces the CosIng inventory entry for TRIMETHYL-3-CYCLOHEXENE-1-METHANETHIOL 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 TRIMETHYL-3-CYCLOHEXENE-1-METHANETHIOL 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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