InventoryRef 3740629/07/2020

QUATERNIUM-15

Q: How do I check if my formula contains QUATERNIUM-15?

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Methenamine 3-chloroallylochloride

QUATERNIUM-15 is linked to 2 EU annex records on this page.

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Inventory details for QUATERNIUM-15

INCI name

QUATERNIUM-15

Description

Methenamine 3-chloroallylochloride

Annex records for QUATERNIUM-15

Annex II Identified ingredient

Entry 1385

Cis-1-(3-chloroallyl)-3,5,7- triaza-1-azoniaadamantane chloride (cis-CTAC)

CAS: 51229-78-8

EC: 426-020-3

Annex II Shared CAS number

Entry 1386

Cis-1-(3-chlorallyl)-3,5,7-triaza-1-azoniaadamantane chloride (cis-CTAC), quaternium-15

CAS: 51229-78-8

EC: 426-020-3

Key data

CAS

4080-31-3 / 51229-78-8

223-805-0 / 426-020-3

Restriction

—

Function

ANTIMICROBIAL PRESERVATIVE

How QUATERNIUM-15 appears in the CosIng inventory

The CosIng inventory lists QUATERNIUM-15 as a cosmetic ingredient and this page links it to 2 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.

QUATERNIUM-15 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

QUATERNIUM-15 appears in the EU CosIng inventory and has linked annex records. Check the annex records above for applicable restrictions, concentration limits and conditions of use. Annex II listing means prohibited; Annex III means restricted; Annexes IV, V and VI mean permitted under specified conditions.

According to the EU CosIng inventory, QUATERNIUM-15 carries the following function designation(s):

CAS 4080-31-3 / 51229-78-8 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 QUATERNIUM-15

This page combines the CosIng inventory entry for QUATERNIUM-15 with 2 linked Annex II–VI records from the local dataset built from public European Commission cosmetic ingredient materials.

Use this inventory page to research QUATERNIUM-15 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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