Official EU label nameGlossary entry 26813

SODIUM METHYL STEAROYL TAURATE

This record confirms an official common ingredient name for EU cosmetic product labelling. It does not by itself confirm that the substance is permitted, unrestricted or safe.

Global evidence snapshot

The resolved identity has matching regulatory evidence in 0 of 13 indexed market datasets: 0 country records and 0 EU Annex records. Every result and evidence gap is listed below.

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Resolved identifiers

Resolved substance identity

CAS:149-39-3

EC:205-738-9

Ingredient index records:

SODIUM METHYL STEAROYL TAURATE

Cosmetic functions: CLEANSING, FOAMING, SURFACTANT - CLEANSING

Sodium 2-[methyl(1-oxooctadecyl)amino]ethanesulphonate

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1 matched or reported name

SODIUM METHYL STEAROYL TAURATE

Regulatory evidence across markets

None of the 13 markets tracked here holds an imported rule under the name SODIUM METHYL STEAROYL TAURATE.

That is a statement about this inventory, not about the law: no imported rule is not evidence that a substance is permitted. A rule may exist under a different name, under a CAS or EC number this glossary entry does not carry, or in a dataset not yet imported.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 149-39-3

CAS 149-39-3PubChem CID 23667652

Sodium Methyl Stearoyl Taurate

The CIR Expert Panel concluded that the following ingredients are safe in cosmetics in the present practices of use and concentration described in this safety assessment when formulated to be non-irritating...Sodium Methyl Stearoyl Taurate... — Cosmetic Ingredient Review (CIR)

IUPAC name: sodium 2-[methyl(octadecanoyl)amino]ethanesulfonate

Molecular formula: C21H42NNaO4S
Molecular weight: 427.6 g/mol
Exact mass: 427.27322428 Da
Topological polar surface area: 85.9 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 4
Covalent units: 2
Defined stereocentres: 0

Also known as

Ethanesulfonic acid, 2-[methyl(1-oxooctadecyl)amino]-, sodium saltJFM219LJ55Sodium 2-[methyl(1-oxooctadecyl)amino]ethanesulphonateNIKKOL SMTSodium N-methyl-N-stearoyl taurateSodium N-stearoyl-N-methyl taurateEINECS 205-738-9Sodium N-stearoyl methyl taurate

15 more reported names

Ethanesulfonic acid, 2-(methyl(1-oxooctadecyl)amino)-, sodium saltSODIUM STEAROYL METHYL TAURATEEthanesulfonic acid, 2-[methyl(1-oxooctadecyl)amino]-, sodium salt (1:1)Sodium 2-(methyl(1-oxooctadecyl)amino)ethanesulphonate2-(Methyl(1-oxooctadecyl)amino)ethanesulfonic acid, sodium saltEthanesulfonic acid, 2-(methyl(1-oxooctadecyl)amino)-, sodium salt (1:1)RefChem:887690SODIUM METHYL STEAROYL TAURATE [INCI]N-Stearoyl-N-taurine Sodium Saltsodium;2-[methyl(octadecanoyl)amino]ethanesulfonateUNII-JFM219LJ55UKSFMDODPANKJI-UHFFFAOYSA-MN-methyl-N-stearoyltaurine sodium saltDB-231815Sodium 2-(N-methyloctadecanamido)ethane-1-sulfonate

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External database identifiers

EPA DTXSID:DTXSID6059736

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

Additional authoritative substance research

Each link searches that source for this identity. A link is a research route, not a claim that the source holds an exact record. What each source is, and its legal weight

Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal US EPA CompTox CTX APIs

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Official source and scope

Imported from Commission Implementing Decision (EU) 2025/1175 (dataset version EU 2025/1175). The glossary supplies common ingredient names for the ingredient list required by Article 19(1)(g); it is not an approval or safety list.

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