What function does SODIUM OLEYL SULFATE serve in cosmetics?

According to the EU CosIng inventory, SODIUM OLEYL SULFATE carries the following function designation(s): CLEANSING, FOAMING, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING.

How do I check if my formula contains SODIUM OLEYL SULFATE?

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InventoryRef 7989715/10/2010

SODIUM OLEYL SULFATE

Sodium (Z)-octadec-9-enyl sulphate

SODIUM OLEYL SULFATE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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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.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 16979-51-4

CAS 16979-51-4PubChem CID 23679868

Sodium 9-octadecenyl sulphate

IUPAC name: sodium [(E)-octadec-9-enyl] sulfate

Molecular formula: C18H35NaO4S
Molecular weight: 370.5 g/mol
Exact mass: 370.21537505 Da
Topological polar surface area: 74.8 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 4
Covalent units: 2
Defined stereocentres: 0

Also known as

EINECS 241-058-9sodium elaidyl sulfatesodium;[(E)-octadec-9-enyl] sulfateMWZFQMUXPSUDJQ-RRABGKBLSA-MSodium octadec-9-en-1-yl sulfate

Open full PubChem record PubChem annotations 3D structure image

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

PubChem 2D chemical structure for CAS 1847-55-8

CAS 1847-55-8PubChem CID 23686132

Sodium Oleyl Sulfate

IUPAC name: sodium [(Z)-octadec-9-enyl] sulfate

Molecular formula: C18H35NaO4S
Molecular weight: 370.5 g/mol
Exact mass: 370.21537505 Da
Topological polar surface area: 74.8 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 4
Covalent units: 2
Defined stereocentres: 0

Also known as

oleyl sodium sulfateUNII-46F21X45869-Octadecen-1-ol, hydrogen sulfate, sodium salt, (9Z)-EINECS 217-430-1sodium oleyl alcohol sulfateOLEYL SODIUM SULPHATESODIUM OLEYL SULPHATE46F21X4586

16 more reported names

9-Octadecen-1-ol, hydrogen sulfate, sodium saltSODIUM OLEYL ALCOHOL SULPHATE9-Octadecen-1-ol, hydrogen sulfate, sodium salt, (Z)-9-Octadecen-1-ol, 1-(hydrogen sulfate), sodium salt (1:1), (9Z)-9-OCTADECEN-1-OL, HYDROGEN SULFATE SODIUM SALT, (Z)-9-OCTADECEN-1-OL, HYDROGEN SULPHATE SODIUM SALT, (Z)-9-OCTADECEN-1-OL, HYDROGEN SULPHATE, SODIUM SALT, (9Z)-9-OCTADECEN-1-OL, 1-(HYDROGEN SULPHATE), SODIUM SALT (1:1), (9Z)-RefChem:184029SODIUM OLEYL SULFATE [INCI]217-430-1Sodium (Z)-octadec-9-en-1-yl sulfateSodium (Z)-octadec-9-enyl sulphatesodium;[(Z)-octadec-9-enyl] sulfateSODIUM (9Z)-OCTADEC-9-EN-1-YL SULFATESODIUMOLEYLSULPHATE

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External database identifiers

EPA DTXSID:DTXSID9042411

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 OLEYL SULFATE

INCI name

SODIUM OLEYL SULFATE

Description

Sodium (Z)-octadec-9-enyl sulphate

Record provenance

Inventory reference: 79897
Imported identity: SODIUM OLEYL SULFATE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for SODIUM OLEYL SULFATE

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Key data

CAS

1847-55-8 / 16979-51-4

217-430-1 / 241-058-9

Restriction

—

Function

CLEANSING: Helping to keep the body surface clean.
FOAMING: Trapping numerous small bubbles of air or other gas within a small volume of liquid by modifying the surface tension of the liquid.
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.

#26868 · SODIUM OLEYL SULFATE

Ingredients with overlapping formulation functions

SODIUM OLEOYL ISETHIONATEANTISTATIC, CLEANSING, FOAMING, HAIR CONDITIONING, SURFACTANT - CLEANSING

SODIUM OLETH SULFATECLEANSING, FOAMING, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

SODIUM OLETH-7 PHOSPHATECLEANSING, FOAMING, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

SODIUM OLETH-8 PHOSPHATECLEANSING, FOAMING, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

SODIUM PALM KERNELAMPHOPROPIONATEANTISTATIC, CLEANSING, FOAMING, HAIR CONDITIONING

SODIUM PEG-4 LAURAMIDE SULFATEANTISTATIC, CLEANSING, FOAMING, HAIR CONDITIONING

SODIUM RICINOLEOAMPHOACETATECLEANSING, FOAMING, HAIR CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - FOAM BOOSTING

SODIUM STEAROAMPHOACETATEANTISTATIC, CLEANSING, FOAMING, HAIR CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - FOAM BOOSTI…

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

ECHA CHEM / Information on chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox 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

How SODIUM OLEYL SULFATE appears in the CosIng inventory

The CosIng inventory lists SODIUM OLEYL SULFATE 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 OLEYL SULFATE is also tagged with 4 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 OLEYL SULFATE 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 OLEYL SULFATE carries the following function designation(s):

CAS 1847-55-8 / 16979-51-4 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.

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Source note for SODIUM OLEYL SULFATE

This page reproduces the CosIng inventory entry for SODIUM OLEYL SULFATE 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 OLEYL SULFATE 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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