SODIUM METHYL STEARATE SULFONATE
Octadecanoic acid, 2-sulfo-, 1-methyl ester, sodium salt (1:1)
SODIUM METHYL STEARATE SULFONATE 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
Octadecanoic acid, 2-sulfo-, 1-methyl ester, sodium salt (1:1)
- IUPAC name
- sodium 1-methoxy-1-oxooctadecane-2-sulfonate
- Molecular formula
- C19H37NaO5S
- Molecular weight
- 400.6 g/mol
- Exact mass
- 400.22593973 Da
- Topological polar surface area
- 91.9 Ų
- Hydrogen-bond donors
- 0
- Hydrogen-bond acceptors
- 5
- Covalent units
- 2
- Defined stereocentres
- 0
Also known as
External database identifiers
- EPA DTXSID:DTXSID80961029
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 METHYL STEARATE SULFONATE
INCI name
SODIUM METHYL STEARATE SULFONATE
Description
Octadecanoic acid, 2-sulfo-, 1-methyl ester, sodium salt (1:1)
Record provenance
- Inventory reference
- 90177
- Imported identity
- SODIUM METHYL STEARATE SULFONATE
- Source update
- 21/01/2014
Annex records for SODIUM METHYL STEARATE SULFONATE
Key data
- CLEANSING
- Helping to keep the body surface clean.
- 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 - FOAM BOOSTING
- Increasing foaming capacity and/or stabilizing foams in general.
Official EU ingredient-name evidence
The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.
Related inventory evidence
Ingredients with overlapping formulation functions
Additional official and scientific sources
11 external databases to check this identity in
Each link searches that source for this identity. What each source is, and its legal weight
How SODIUM METHYL STEARATE SULFONATE appears in the CosIng inventory
The CosIng inventory lists SODIUM METHYL STEARATE SULFONATE 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 METHYL STEARATE SULFONATE is also tagged with 3 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
Source note for SODIUM METHYL STEARATE SULFONATE
This page reproduces the CosIng inventory entry for SODIUM METHYL STEARATE SULFONATE 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 METHYL STEARATE SULFONATE 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
Check your formula
Scan a full INCI list to detect SODIUM METHYL STEARATE SULFONATE and any linked EU annex restrictions or allergen flags.
INCI CheckerSearch similar ingredients
Find other inventory ingredients and annex entries related to SODIUM METHYL STEARATE SULFONATE, its identifiers or nearby name variants.
Search