Skip to main content
CosIng Checker
CosIng Checker
EU cosmetic ingredients, restrictions and safety
Login
CAS 0 records

CAS 51541-51-6

CAS 51541-51-6 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

Check this CAS numberBrowse annexes

Chemical identity and properties

PubChem 2D chemical structure for CAS 51541-51-6
CAS 51541-51-6PubChem CID 162646

DEA-Cetyl sulfate

The CIR Expert Panel concluded that diethanolamine and the 16 related salts listed below are safe in the present practices of use and concentration when formulated to be non-irritating. The Expert Panel cautions that ingredients should not be used in cosmetic products in which N-nitroso compounds can be formed. — Cosmetic Ingredient Review (CIR)

IUPAC name
hexadecyl hydrogen sulfate;2-(2-hydroxyethylamino)ethanol
Molecular formula
C20H45NO6S
Molecular weight
427.6 g/mol
Exact mass
427.29675933 Da
Topological polar surface area
124.0 Ų
Hydrogen-bond donors
4
Hydrogen-bond acceptors
7
Covalent units
2
Defined stereocentres
0

Also known as

Diethanolamine hexadecyl sulfateDiethanolamine cetyl sulfatediethanolammonium cetyl sulfateL3T402CA2BEINECS 257-260-5Hexadecyl sulfate (1:1), diethanolamine saltRefChem:585238DEA-CETYL SULFATE [INCI]
4 more reported names
Bis(2-hydroxyethyl)ammonium hexadecyl sulphateUNII-L3T402CA2BPJDFMXWUFDUYTG-UHFFFAOYSA-NHexadecyl hydrogen sulfate--2,2'-azanediyldi(ethan-1-ol) (1/1)
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 51541-51-6

0 total
No records found for this CAS number.

How CAS 51541-51-6 is used on this site

CAS 51541-51-6 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 51541-51-6 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.