AMINOETHANESULFINIC ACID

Also known as: Hypotaurine, Ethanesulfinic acid, 2-amino-, UNII-5L08GE4332, 2-ammonioethanesulfinate, 2-azaniumylethane-1-sulfinate (+2 more)

AMINOETHANESULFINIC ACID (CAS 300-84-5) is a cosmetic cosmetic ingredient functioning as Antioxidant, Reducing. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety and pharmaceutical data.

View industrial chemical safety profile for CAS 300-84-5 →

Auto-generated CPSR Part A draft with source citations
Function
Antioxidant, Reducing
Safety Rating
GOOD

Chemistry & Identifiers

Formula
C2H7NO2S
MW
109.15 g/mol
EC Number
428-720-4
PubChem CID
107812
IUPAC Name
2-aminoethanesulfinic acid
InChIKey
VVIUBCNYACGLLV-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status Not specifically regulated

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Full
Tonnage Band
No longer valid
Substance Type
SUBSTANCE
SVHC Candidate
No

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Antioxidant Reducing agent

Expert Verdict

Expert safety assessment and concern-level summary for AMINOETHANESULFINIC ACID.

Regulatory Flags

cosing-sourced eu-permitted antioxidant needs-enrichment

Known Synonyms

Hypotaurine Ethanesulfinic acid, 2-amino- UNII-5L08GE4332 2-ammonioethanesulfinate 2-azaniumylethane-1-sulfinate 2-mmonioethane-1-sulfinate hypotaurine zwitterion

Chemical Function

Antioxidant Reducing agent

Cross-Vertical Safety Context

Same-CAS public records found in pharmaceutical data.

SOURCE ChEMBL / DrugCentral / FAERS DB_PHARMA CAS match

Pharmaceutical Data

Same-CAS rows from the pharmaceutical spoke database.

Compound
HYPOTAURINE
ChEMBL ID
CHEMBL1256480
View full pharmaceutical profile →

Frequently Asked Questions

Is AMINOETHANESULFINIC ACID safe in cosmetics?

AMINOETHANESULFINIC ACID has a safety rating of "GOOD" in our database. EU status: permitted.

Is AMINOETHANESULFINIC ACID allowed in the EU?

AMINOETHANESULFINIC ACID EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does AMINOETHANESULFINIC ACID do in cosmetics?

AMINOETHANESULFINIC ACID functions as: Antioxidant, Reducing. It is classified as a cosmetic ingredient in our database. CAS number: 300-84-5.

Is AMINOETHANESULFINIC ACID used outside cosmetics?

AMINOETHANESULFINIC ACID also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

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Aminoethanesulfinic Acid (Hypotaurine)
Good Chemical family
Antioxidant; Reducing agent

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