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CAS 50957-96-5 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

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InventoryRef 3794515/10/2010

SODIUM LAURYL PHOSPHATE

Phosphoric acid, dodecyl ester, sodium salt

SODIUM LAURYL PHOSPHATE 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 50957-96-5

CAS 50957-96-5PubChem CID 23676665

phosphoric acid, dodecyl ester, sodium salt

IUPAC name: sodium dodecyl hydrogen phosphate

Molecular formula: C12H26NaO4P
Molecular weight: 288.30 g/mol
Exact mass: 288.14664059 Da
Topological polar surface area: 69.6 Å²
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 4
Covalent units: 2
Defined stereocentres: 0

Also known as

RefChem:862596Monosodium monolauryl phosphateMonosodium dodecyl phosphatesodium;dodecyl hydrogen phosphateSodium Monododecyl Phosphate (containsMonododecyl monosodium phosphateMonolauryl phosphate monosodium saltBU62RK2OES

6 more reported names

Dodecyl dihydrogen phosphate Sodium saltSodium Monododecyl PhosphatePhosphoric acid, monododecyl ester, sodium salt (1:1)UNII-BU62RK2OESJDSVWTAJRNTSSL-UHFFFAOYSA-MDodecyl dihydrogen phosphate xSodium salt

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External database identifiers

EPA DTXSID:DTXSID10885426

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 LAURYL PHOSPHATE

INCI name

SODIUM LAURYL PHOSPHATE

Description

Phosphoric acid, dodecyl ester, sodium salt

Record provenance

Inventory reference: 37945
Imported identity: SODIUM LAURYL PHOSPHATE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for SODIUM LAURYL PHOSPHATE

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Key data

CAS

50957-96-5

256-865-1

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.

#26767 · SODIUM LAURYL PHOSPHATE

Records sharing a CAS or EC identity

DISODIUM LAURYL PHOSPHATE

Ingredients with overlapping formulation functions

SODIUM LAUROYL METHYLAMINOPROPIONATECLEANSING, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

SODIUM LAUROYL METHYLFURAN SULFONATESURFACTANT - EMULSIFYING; SURFACTANT - CLEANSING

SODIUM LAUROYL SARCOSINATEANTISTATIC, CLEANSING, FOAMING, HAIR CONDITIONING, SKIN CONDITIONING, SURFACTANT - CLEANSING, SURFA…

SODIUM LAURYL DIETHYLENEDIAMINOGLYCINATEANTIMICROBIAL, CLEANSING, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

SODIUM LAURYL SULFATECLEANSING, DENATURANT, FOAMING, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

SODIUM LAURYLGLUCOSIDES HYDROXYPROPYL PHOSPHATECLEANSING, SURFACTANT - EMULSIFYING, SURFACTANT - FOAM BOOSTING, SURFACTANT - HYDROTROPE

SODIUM LAURYLGLUCOSIDES HYDROXYPROPYLSULFONATECLEANSING, SURFACTANT - EMULSIFYING, SURFACTANT - FOAM BOOSTING, SURFACTANT - HYDROTROPE

SODIUM LINOLEATECLEANSING, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING, VISCOSITY CONTROLLING

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 LAURYL PHOSPHATE appears in the CosIng inventory

The CosIng inventory lists SODIUM LAURYL PHOSPHATE 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 LAURYL PHOSPHATE 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 LAURYL PHOSPHATE 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 LAURYL PHOSPHATE carries the following function designation(s):

CAS 50957-96-5 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 LAURYL PHOSPHATE

This page reproduces the CosIng inventory entry for SODIUM LAURYL PHOSPHATE 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 LAURYL PHOSPHATE 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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