What other records share CAS 9044-17-1?

CAS 9044-17-1 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.

InventoryRef 9599624/04/2018

BUTENE/ISOBUTENE COPOLYMER

Q: How do I check if my formula contains BUTENE/ISOBUTENE COPOLYMER?

Use the INCI Checker tool on CosIng Checker to paste your full ingredient list and scan it against all EU annex records and allergen flags in one step.

Butene, polymer with 2-methyl-1-propene

BUTENE/ISOBUTENE COPOLYMER is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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Inventory details for BUTENE/ISOBUTENE COPOLYMER

INCI name

BUTENE/ISOBUTENE COPOLYMER

Description

Butene, polymer with 2-methyl-1-propene

Annex records for BUTENE/ISOBUTENE COPOLYMER

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Key data

CAS

9044-17-1

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Restriction

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Function

BINDING HUMECTANT VISCOSITY CONTROLLING

How BUTENE/ISOBUTENE COPOLYMER appears in the CosIng inventory

The CosIng inventory lists BUTENE/ISOBUTENE COPOLYMER 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.

BUTENE/ISOBUTENE COPOLYMER is also tagged with 3 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

BUTENE/ISOBUTENE COPOLYMER 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, BUTENE/ISOBUTENE COPOLYMER carries the following function designation(s):

CAS 9044-17-1 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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Use the INCI Checker tool to paste your full ingredient list and scan it against all EU annex records and allergen flags in one step.

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Source note for BUTENE/ISOBUTENE COPOLYMER

This page reproduces the CosIng inventory entry for BUTENE/ISOBUTENE COPOLYMER 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 BUTENE/ISOBUTENE COPOLYMER 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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