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CAS 4430-39-1 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 9141927/10/2014

METHYLTHIOHEXYL ISOTHIOCYANATE

Hexane, 1-isothiocyanato-6-(methylthio)-

METHYLTHIOHEXYL ISOTHIOCYANATE 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 4430-39-1

CAS 4430-39-1PubChem CID 165224

6-Methylthiohexyl isothiocyanate

1-isothiocyanato-6-(methylsulfanyl)hexane is a isothiocyanate that is hexane in which two of the terminal methyl hydrogens at positions 1 and 6 have been replaced by isothiocyanato and methylsulfanyl groups. It has a role as an EC 4.1.1.17 (ornithine decarboxylase) inhibitor, an Arabidopsis thaliana metabolite, an antineoplastic agent and a neuroprotective agent. It is an isothiocyanate and a methyl sulfide. It derives from a hydride of a hexane. — ChEBI

IUPAC name: 1-isothiocyanato-6-methylsulfanylhexane

Molecular formula: C8H15NS2
Molecular weight: 189.3 g/mol
Exact mass: 189.06459183 Da
XLogP3: 3.7
Topological polar surface area: 69.8 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 3
Covalent units: 1
Defined stereocentres: 0

Also known as

RefChem:1040996-MHITC6-MTITC1-Isothiocyanato-6-(methylthio)hexane1-isothiocyanato-6-(methylsulfanyl)hexaneLesquerellin6-(Methylthio)hexyl isothiocyanate(6-isothiocyanatohexyl)(methyl)sulfane

16 more reported names

Hexane, 1-isothiocyanato-6-(methylthio)-C8H15NS21-ISOTHIOCYANATO-6-(METHYLSULFENYL)-HEXANE1-Isothiocyanato-6-(methylthio)-HexaneIsothiocyanic acid, 6-(methylthio)hexyl ester6-isothiocyanatohexyl methyl sulfideUNII-63844HOL2HCCRIS 84666-methyl thiohexyl isothiocyanate1-isothiocyanato-6-methylsulfanyl-hexaneFEMA NO. 4415CHEBI:136921YIBXPFAXPUDDTK-UHFFFAOYSA-NEBC-06168TN7502HY-W714137

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:136921
ChEMBL:CHEMBL574688
EPA DTXSID:DTXSID40196118
PubMed:22869685
PubMed:18955343

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 METHYLTHIOHEXYL ISOTHIOCYANATE

INCI name

METHYLTHIOHEXYL ISOTHIOCYANATE

Description

Hexane, 1-isothiocyanato-6-(methylthio)-

Record provenance

Inventory reference: 91419
Imported identity: METHYLTHIOHEXYL ISOTHIOCYANATE
Source update: 27/10/2014

European Commission CosIng source notes

Annex records for METHYLTHIOHEXYL ISOTHIOCYANATE

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Key data

CAS

4430-39-1

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Restriction

—

Function

SKIN CONDITIONING: Maintaining the skin in good condition.
SKIN CONDITIONING - EMOLLIENT: Acting as lubricants on the skin surface providing the skin with a soft and smooth appearance.

Official EU ingredient-name evidence

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

#16680 · METHYLTHIOHEXYL ISOTHIOCYANATE

Ingredients with overlapping formulation functions

METHYLHEPTYL LACTATESKIN CONDITIONING - EMOLLIENT; SURFACTANT - EMULSIFYING; SURFACTANT - CLEANSING

METHYLHEPTYL LAURATESKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

METHYLHEPTYL PELARGONATESKIN CONDITIONING - EMOLLIENT; SOLVENT; SLIP MODIFIER

METHYLMETHIONINEASTRINGENT, ORAL CARE, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, SKIN PROTECTING

MICROBIAL CELLULOSE/SR-SPIDER POLYPEPTIDE-3 HEXAPEPTIDE-40SKIN CONDITIONING - EMOLLIENT, SKIN CONDITIONING - HUMECTANT, SKIN CONDITIONING - OCCLUSIVE

MICROCOCCUS/PANAX GINSENG ROOT FERMENT FILTRATESKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

MILK EXOSOMESSKIN CONDITIONING - EMOLLIENT, SKIN CONDITIONING - MISCELLANEOUS

MINK OIL PEG-13 ESTERSHAIR CONDITIONING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

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 METHYLTHIOHEXYL ISOTHIOCYANATE appears in the CosIng inventory

The CosIng inventory lists METHYLTHIOHEXYL ISOTHIOCYANATE 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.

METHYLTHIOHEXYL ISOTHIOCYANATE is also tagged with 2 cosmetic functions 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

METHYLTHIOHEXYL ISOTHIOCYANATE 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, METHYLTHIOHEXYL ISOTHIOCYANATE carries the following function designation(s):

CAS 4430-39-1 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 METHYLTHIOHEXYL ISOTHIOCYANATE

This page reproduces the CosIng inventory entry for METHYLTHIOHEXYL ISOTHIOCYANATE 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 METHYLTHIOHEXYL ISOTHIOCYANATE 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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