What does the restriction note for DEA-CETYL SULFATE mean?

The restriction field for DEA-CETYL SULFATE reads: II/411. This is the restriction note from the CosIng inventory. For authoritative conditions and limits, always refer to the linked annex entries.

What other records share CAS 51541-51-6?

CAS 51541-51-6 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 3313615/10/2010

DEA-CETYL SULFATE

Q: How do I check if my formula contains DEA-CETYL SULFATE?

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.

Bis(2-hydroxyethyl)ammonium hexadecyl sulphate

DEA-CETYL SULFATE is linked to 1 EU annex record on this page. Inventory note: II/411.

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Inventory details for DEA-CETYL SULFATE

INCI name

DEA-CETYL SULFATE

Description

Bis(2-hydroxyethyl)ammonium hexadecyl sulphate

Annex records for DEA-CETYL SULFATE

Annex II Restriction reference

Entry 411

Secondary alkyl- and alkanolamines and their salts

CAS: 111-42-2 / 110-97-4

EC: 203-868-0 / 203-820-9

Key data

CAS

51541-51-6

257-260-5

Restriction

II/411

Function

SURFACTANT - CLEANSING SURFACTANT - EMULSIFYING

How DEA-CETYL SULFATE appears in the CosIng inventory

The CosIng inventory lists DEA-CETYL SULFATE as a cosmetic ingredient and this page links it to 1 annex record. The inventory entry captures names and identifiers, while the annex record shows where the substance is prohibited, restricted or positively listed in EU cosmetics law.

DEA-CETYL SULFATE 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

DEA-CETYL SULFATE 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.

The restriction field for DEA-CETYL SULFATE reads: "II/411". This is the restriction note recorded in the CosIng inventory for this ingredient. For authoritative conditions and limits, always refer to the linked annex entries above.

According to the EU CosIng inventory, DEA-CETYL SULFATE carries the following function designation(s):

CAS 51541-51-6 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.

View CAS records

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 DEA-CETYL SULFATE

This page combines the CosIng inventory entry for DEA-CETYL SULFATE with 1 linked Annex II–VI record from the local dataset built from public European Commission cosmetic ingredient materials.

Use this inventory page to research DEA-CETYL SULFATE 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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