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InventoryRef 7928015/10/2010

SODIUM CETETH-13 CARBOXYLATE

Poly(oxy-1,2-ethanediyl), .alpha.-hexadecyl-.omega.-carboxymethoxy-, sodium salt (12 mol EO average molar ratio)

SODIUM CETETH-13 CARBOXYLATE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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.

Chemical identity and properties

PubChem 2D chemical structure for CAS 33939-65-0
CAS 33939-65-0PubChem CID 23688956

poly(oxy-1,2-ethanediyl), alpha-(carboxymethyl)-omega-(hexadecyloxy)-, sodium salt

IUPAC name
sodium 2-(2-hexadecoxyethoxy)acetate
Molecular formula
C20H39NaO4
Molecular weight
366.5 g/mol
Exact mass
366.27460400 Da
Topological polar surface area
58.6 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
4
Covalent units
2
Defined stereocentres
0

Also known as

RefChem:865328608-923-6sodium;2-(2-hexadecoxyethoxy)acetateDWPSYGLTBCBSMP-UHFFFAOYSA-M

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

Inventory details for SODIUM CETETH-13 CARBOXYLATE

INCI name

SODIUM CETETH-13 CARBOXYLATE

Description

Poly(oxy-1,2-ethanediyl), .alpha.-hexadecyl-.omega.-carboxymethoxy-, sodium salt (12 mol EO average molar ratio)

Record provenance

Inventory reference
79280
Imported identity
SODIUM CETETH-13 CARBOXYLATE
Source update
15/10/2010
European Commission CosIng source notes

Key data

EC
Restriction
Function
SURFACTANT - CLEANSING
Wetting body surfaces, emulsifying or solubilizing oils, and suspending soil (generally, such ingredients contribute to the foaming and lathering properties of cleansing products).
SURFACTANT - EMULSIFYING
Helping suspensions or dispersions of liquids in a second liquid by reducing the surface tension of the substances to be emulsified.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

Ingredients with overlapping formulation functions

Additional official and scientific sources

11 external databases to check this identity in

How SODIUM CETETH-13 CARBOXYLATE appears in the CosIng inventory

The CosIng inventory lists SODIUM CETETH-13 CARBOXYLATE 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.

SODIUM CETETH-13 CARBOXYLATE 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

SODIUM CETETH-13 CARBOXYLATE 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, SODIUM CETETH-13 CARBOXYLATE carries the following function designation(s):

CAS 33939-65-0 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.

Source note for SODIUM CETETH-13 CARBOXYLATE

This page reproduces the CosIng inventory entry for SODIUM CETETH-13 CARBOXYLATE 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 SODIUM CETETH-13 CARBOXYLATE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

Tools & next steps

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