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InventoryRef 7957615/10/2010

SODIUM ISOSTEAROYL LACTYLATE

Sodium 2-(1-carboxylatoethoxy)-1-methyl-2-oxoethyl isooctadecanoate

SODIUM ISOSTEAROYL LACTYLATE 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 66988-04-3
CAS 66988-04-3PubChem CID 23662614

Sodium Isostearoyl Lactylate

The Panel concluded that the following alkanoyl lactyl lactate salts are safe in cosmetics in the present practices of use and concentration described in the safety assessment, when formulated to be non-irritating and non-sensitizing, which may be based on a QRA or other accepted methodologies...Sodium Isostearoyl Lactylate... Cosmetic Ingredient Review (CIR)

IUPAC name
sodium 2-[2-(16-methylheptadecanoyloxy)propanoyloxy]propanoate
Molecular formula
C24H43NaO6
Molecular weight
450.6 g/mol
Exact mass
450.29573337 Da
Topological polar surface area
92.7 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
6
Covalent units
2
Defined stereocentres
0

Also known as

Sodium isostearoyl-2-lactylateEINECS 266-533-8PATIONIC ISL8730J0D3EVPRIAZUL 2133Isooctadecanoic acid, 2-(1-carboxyethoxy)-1-methyl-2-oxoethyl ester, sodium saltSodium 2-(1-carboxylatoethoxy)-1-methyl-2-oxoethyl isooctadecanoateISOSTEAROYL-2-LACTYLATE SODIUM
8 more reported names
Isooctadecanoic acid, 2-(1-carboxyethoxy)-1-methyl-2-oxoethyl ester, sodium salt (1:1)RefChem:887633SODIUM ISOSTEAROYL LACTYLATE [INCI]sodium;2-[2-(16-methylheptadecanoyloxy)propanoyloxy]propanoateUNII-8730J0D3EVEINECS 302-493-0Sodium 2-((2-((16-methylheptadecanoyl)oxy)propionyl)oxy)propionateFOSNFLMXYRQNAF-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 ISOSTEAROYL LACTYLATE

INCI name

SODIUM ISOSTEAROYL LACTYLATE

Description

Sodium 2-(1-carboxylatoethoxy)-1-methyl-2-oxoethyl isooctadecanoate

Record provenance

Inventory reference
79576
Imported identity
SODIUM ISOSTEAROYL LACTYLATE
Source update
15/10/2010
European Commission CosIng source notes

Key data

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 ISOSTEAROYL LACTYLATE appears in the CosIng inventory

The CosIng inventory lists SODIUM ISOSTEAROYL LACTYLATE 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 ISOSTEAROYL LACTYLATE 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 ISOSTEAROYL LACTYLATE 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 ISOSTEAROYL LACTYLATE carries the following function designation(s):

CAS 66988-04-3 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 ISOSTEAROYL LACTYLATE

This page reproduces the CosIng inventory entry for SODIUM ISOSTEAROYL LACTYLATE 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 ISOSTEAROYL LACTYLATE 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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