Official EU label nameGlossary entry 269

3-AMINOPROPANE SULFONIC ACID

This record confirms an official common ingredient name for EU cosmetic product labelling. It does not by itself confirm that the substance is permitted, unrestricted or safe.

Global evidence snapshot

The resolved identity has matching regulatory evidence in 0 of 13 indexed market datasets: 0 country records and 0 EU Annex records. Every result and evidence gap is listed below.

0 markets with evidence

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Evidence gaps

Resolved identifiers

Resolved substance identity

CAS:3687-18-1

EC:222-977-4

Ingredient index records:

3-AMINOPROPANE SULFONIC ACID

Cosmetic functions: SURFACTANT - CLEANSING, SURFACTANT - HYDROTROPE

3-aminopropane-1-sulphonic acid

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1 matched or reported name

3-AMINOPROPANE SULFONIC ACID

Regulatory evidence across markets

None of the 13 markets tracked here holds an imported rule under the name 3-AMINOPROPANE SULFONIC ACID.

That is a statement about this inventory, not about the law: no imported rule is not evidence that a substance is permitted. A rule may exist under a different name, under a CAS or EC number this glossary entry does not carry, or in a dataset not yet imported.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 3687-18-1

CAS 3687-18-1PubChem CID 1646

Tramiprosate

3-aminopropanesulfonic acid is an amino sulfonic acid that is the 3-amino derivative of propanesulfonic acid. It has a role as an anticonvulsant, a GABA agonist, a nootropic agent, an anti-inflammatory agent and an algal metabolite. It is a tautomer of a 3-aminopropanesulfonic acid zwitterion. — ChEBI

IUPAC name: 3-aminopropane-1-sulfonic acid

Molecular formula: C3H9NO3S
Molecular weight: 139.18 g/mol
Exact mass: 139.03031432 Da
XLogP3: -3.8
Topological polar surface area: 88.8 Å²
Hydrogen-bond donors: 2
Hydrogen-bond acceptors: 4
Covalent units: 1
Defined stereocentres: 0

Also known as

Homotaurine1-Propanesulfonic acid, 3-amino-3-aminopropanesulphonic acidAlzhemed3APS3-aminopropanesulfonic acid3-Aminopropane sulfonic acid3-aminopropylsulfonic acid

16 more reported names

3-APSNC-531Tramiprosato5K8EAX0G53NSC-77071tramiprosatumLU-02659NC531 cpdRefChem:898661222-977-43-Amino-1-propanesulfonic acidCerebril3-Aminopropanesulfonate3-Aminopropiosulfonic AcidTramiprosate [USAN]EINECS 222-977-4

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External database identifiers

ChEBI:CHEBI:1457
ChEMBL:CHEMBL149082
EPA DTXSID:DTXSID80190352
PubMed:22932902
PubMed:22877150
PubMed:22785403
PubMed:22654847
PubMed:22654725
PubMed:22529838
PubMed:22506132
PubMed:22403554
PubMed:22346357
PubMed:22291741
PubMed:22199538
PubMed:22110489

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

Additional authoritative substance research

Each link searches that source for this identity. A link is a research route, not a claim that the source holds an exact record. What each source is, and its legal weight

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 US EPA CompTox CTX APIs

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Official source and scope

Imported from Commission Implementing Decision (EU) 2025/1175 (dataset version EU 2025/1175). The glossary supplies common ingredient names for the ingredient list required by Article 19(1)(g); it is not an approval or safety list.

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