Is C30-38 OLEFIN safe to use in EU cosmetics?

C30-38 OLEFIN is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Always verify against the current official CosIng database before formulating.

How do I check if my formula contains C30-38 OLEFIN?

Use the INCI Checker to screen a full ingredient list across selected markets, or use the substance market comparison to review this identity across all supported market datasets.

InventoryRef 9744114/10/2019

C30-38 OLEFIN

C30-38 Olefin is a mixture of linear alpha olefins with 30 to 38 carbons in the alkyl chain.

C30-38 OLEFIN 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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Exact external identity check

matched

One PubChem compound was retained because the exact CosIng name appears among its reported synonyms.

PubChem title: 1-Heptadecene
IUPAC name: heptadec-1-ene
Molecular formula: C17H34
Molecular weight: 238.5 g/mol
InChIKey: ADOBXTDBFNCOBN-UHFFFAOYSA-N

1-heptadecene is an unbranched seventeen-carbon alkene with one double bond between C-1 and C-2. It is produced by the Carrion beetles. It has a role as a pheromone and an animal metabolite.

Open exact PubChem record

Exact CosIng INCI name equals a PubChem synonym · Checked 2026-08-31

Inventory details for C30-38 OLEFIN

INCI name

C30-38 OLEFIN

Description

C30-38 Olefin is a mixture of linear alpha olefins with 30 to 38 carbons in the alkyl chain.

Record provenance

Inventory reference: 97441
Imported identity: C30-38 OLEFIN
Source update: 14/10/2019

European Commission CosIng source notes

Annex records for C30-38 OLEFIN

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Key data

CAS

64743-02-8 (generic)

265-207-2

Restriction

—

Function

NOT REPORTED: No function currently reported.

Records sharing a CAS or EC identity

C10-16 OLEFIN C26-28 OLEFIN C28-52 OLEFIN C4-12 OLEFIN C4-6 OLEFIN C5-6 OLEFIN POLY(C20-28 OLEFIN)

Ingredients with overlapping formulation functions

C18-22 ALKYL PEG-25 METHACRYLATENOT REPORTED

C26-28 OLEFINNOT REPORTED

C28-52 OLEFINNOT REPORTED

C3-11 ALKYL ACRYLATENOT REPORTED

C4-12 OLEFINNOT REPORTED

C4-6 OLEFINNOT REPORTED

C4-8 ALKYL ACRYLATENOT REPORTED

C5-6 ALKANENOT REPORTED

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 C30-38 OLEFIN appears in the CosIng inventory

The CosIng inventory lists C30-38 OLEFIN 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.

C30-38 OLEFIN 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

C30-38 OLEFIN 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, C30-38 OLEFIN carries the following function designation(s):

NOT REPORTED

CAS 64743-02-8 (generic) 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.

Use the INCI Checker to screen a full ingredient list across selected markets, or compare this substance across all supported market datasets.

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Source note for C30-38 OLEFIN

This page reproduces the CosIng inventory entry for C30-38 OLEFIN 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 C30-38 OLEFIN 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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Tools & next steps

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