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CAS 52304-21-9 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 3188615/10/2010

AMMONIUM MYRISTYL SULFATE

Ammonium tetradecyl sulphate

AMMONIUM MYRISTYL 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 52304-21-9

CAS 52304-21-9PubChem CID 104149

Ammonium Myristyl Sulfate

IUPAC name: azane;tetradecyl hydrogen sulfate

Molecular formula: C14H33NO4S
Molecular weight: 311.48 g/mol
Exact mass: 311.21302971 Da
Topological polar surface area: 73.0 Å²
Hydrogen-bond donors: 2
Hydrogen-bond acceptors: 5
Covalent units: 2
Defined stereocentres: 0

Also known as

Ammonium tetradecyl sulfateAmmonium tetradecyl sulphate1-Tetradecanol, hydrogen sulfate, ammonium saltEINECS 257-834-5UNII-LW5244PD75LW5244PD75TETRADECYL AMMONIUM SULFATERefChem:112183

4 more reported names

AMMONIUM MYRISTYL SULFATE [INCI]AHVCYVORAAEAKW-UHFFFAOYSA-NTetradecyl hydrogen sulfate--ammonia (1/1)1-Tetradecanol, 1-(hydrogen sulfate), ammonium salt (1:1)

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External database identifiers

EPA DTXSID:DTXSID5068736

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 AMMONIUM MYRISTYL SULFATE

INCI name

AMMONIUM MYRISTYL SULFATE

Description

Ammonium tetradecyl sulphate

Record provenance

Inventory reference: 31886
Imported identity: AMMONIUM MYRISTYL SULFATE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for AMMONIUM MYRISTYL SULFATE

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Key data

CAS

52304-21-9

257-834-5

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).

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

#1808 · AMMONIUM MYRISTYL SULFATE

Ingredients with overlapping formulation functions

AMMONIUM LAUROYL SARCOSINATEANTISTATIC, CLEANSING, FOAMING, HAIR CONDITIONING, SURFACTANT - CLEANSING

AMMONIUM LAURYL SULFATECLEANSING, FOAMING, SURFACTANT - CLEANSING

AMMONIUM LAURYL SULFOSUCCINATECLEANSING, FOAMING, SURFACTANT - CLEANSING

AMMONIUM MYRETH SULFATECLEANSING, FOAMING, SURFACTANT - CLEANSING

AMMONIUM PALM KERNEL SULFATECLEANSING, FOAMING, SURFACTANT - CLEANSING

ARGININE LAURETH SULFATECLEANSING, FOAMING, SURFACTANT - CLEANSING, SURFACTANT - FOAM BOOSTING

ARGININE LAUROYL GLUTAMATECLEANSING, FOAMING, SURFACTANT - CLEANSING

ARGININE LAUROYL GLYCINATECLEANSING, FOAMING, SURFACTANT - CLEANSING

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 AMMONIUM MYRISTYL SULFATE appears in the CosIng inventory

The CosIng inventory lists AMMONIUM MYRISTYL 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.

AMMONIUM MYRISTYL SULFATE 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

AMMONIUM MYRISTYL 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, AMMONIUM MYRISTYL SULFATE carries the following function designation(s):

CAS 52304-21-9 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 AMMONIUM MYRISTYL SULFATE

This page reproduces the CosIng inventory entry for AMMONIUM MYRISTYL 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 AMMONIUM MYRISTYL 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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