Is SODIUM AMPS safe to use in EU cosmetics?

SODIUM AMPS is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Always verify against the current official CosIng database before formulating.

What other records share CAS 5165-97-9?

CAS 5165-97-9 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.

How do I check if my formula contains SODIUM AMPS?

Use the INCI Checker to screen a full ingredient list across selected markets, or use the substance market comparison to review this identity across all supported market datasets.

InventoryRef 9529130/01/2018

SODIUM AMPS

2-Acrylamido-2-methyl-1-propanesulfonic acid sodium salt,sodium 2-acrylamido-2-methylpropane sulfonate,sodium acryloyldimethyltaurate

SODIUM AMPS 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 5165-97-9

CAS 5165-97-9PubChem CID 23665719

Sodium acryloyldimethyltaurate

IUPAC name: sodium 2-methyl-2-(prop-2-enoylamino)propane-1-sulfonate

Molecular formula: C7H12NNaO4S
Molecular weight: 229.23 g/mol
Exact mass: 229.03847332 Da
Topological polar surface area: 94.7 Å²
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 4
Covalent units: 2
Defined stereocentres: 0

Also known as

UNII-2T9Q6EKI0G2T9Q6EKI0G1-Propanesulfonic acid, 2-methyl-2-[(1-oxo-2-propenyl)amino]-, monosodium salt2-Acrylamido-2-methylpropanesulfonic acid sodium saltEINECS 225-948-4SODIUM AMPSEC 225-948-42-ACRYLAMIDO-2-METHYLPROPANE-1-SULFONIC ACID SODIUM SALT

16 more reported names

ACRYLOYLDIMETHYLTAURATE2-Acrylamido-2-methylpropanesulfonic acid, sodium salt1-Propanesulfonic acid, 2-methyl-2-((1-oxo-2-propenyl)amino)-, monosodium saltSodium 2-methyl-2-((1-oxoallyl)amino)propanesulphonate1-Propanesulfonic acid, 2-acrylamido-2-methyl-, sodium salt2-Methyl-2-((1-oxo-2-propenyl)amino)-1-propanesulfonic acid, sodium saltsodium acrylamidomethylpropanesulfonateSODIUM ACRYLOYLDIMETHYL TAURATESODIUM N-ACRYLOYLDIMETHYLTAURATEACRYLOYLDIMETHYLTAURINE SODIUM SALTSODIUM 2-ACRYLAMIDO-2-METHYL-1-PROPANESULFONATESODIUM 2-METHYL-2-((1-OXO-2-PROPENYL)AMINO)-1-PROPANESULFONATERefChem:9165225-948-4Sodium 2-acrylamido-2-methylpropane-1-sulfonate2-acrylamido-2-methyl-1-propanesulfonic acid sodium salt

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEMBL:CHEMBL1881510
EPA DTXSID:DTXSID2027591

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 AMPS

INCI name

SODIUM AMPS

Description

2-Acrylamido-2-methyl-1-propanesulfonic acid sodium salt,sodium 2-acrylamido-2-methylpropane sulfonate,sodium acryloyldimethyltaurate

Record provenance

Inventory reference: 95291
Imported identity: SODIUM AMPS
Source update: 30/01/2018

European Commission CosIng source notes

Annex records for SODIUM AMPS

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Key data

CAS

5165-97-9

225-948-4

Restriction

—

Function

NOT REPORTED: No function currently reported.

Ingredients with overlapping formulation functions

SH/S-MOUSE POLYPEPTIDE-1NOT REPORTED

SH/S-MOUSE POLYPEPTIDE-2NOT REPORTED

SILT EXTRACTNOT REPORTED

SILVER PERCHLORATENOT REPORTED

SODIUM C12-15 ALKETH-7 CARBOXYLATE (FORMERLY SODIUM C12-15 PARETH-7 CARBOXYLATE)NOT REPORTED

SODIUM CYANATENOT REPORTED

SODIUM FERROUS CITRATENOT REPORTED

SODIUM PERFLUOROHEXYL ETHYLPHOSPHONATENOT REPORTED

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 AMPS appears in the CosIng inventory

The CosIng inventory lists SODIUM AMPS 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 AMPS is also tagged with 1 cosmetic function 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 AMPS 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 AMPS carries the following function designation(s):

NOT REPORTED

CAS 5165-97-9 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 SODIUM AMPS

This page reproduces the CosIng inventory entry for SODIUM AMPS 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 AMPS 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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Tools & next steps

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