4-Amino-3-Hydroxybutyric Acid

INCI: 4-AMINO-3-HYDROXYBUTYRIC ACID

4-Amino-3-Hydroxybutyric Acid (CAS 352-21-6) is a cosmetic cosmetic ingredient functioning as Skin Conditioning. 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 data.

View industrial chemical safety profile for CAS 352-21-6 →

Auto-generated CPSR Part A draft with source citations
Function
Skin Conditioning
Safety Rating
EXCELLENT

Chemistry & Identifiers

Formula
C4H9NO3
MW
119.12 g/mol
PubChem CID
2149
IUPAC Name
4-amino-3-hydroxybutanoic acid
InChIKey
YQGDEPYYFWUPGO-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Permitted, not restricted by FDA

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for 4-Amino-3-Hydroxybutyric Acid.

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Expert safety assessment and concern-level summary for 4-Amino-3-Hydroxybutyric Acid.

Frequently Asked Questions

Is 4-Amino-3-Hydroxybutyric Acid safe in cosmetics?

4-Amino-3-Hydroxybutyric Acid has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted.

Is 4-Amino-3-Hydroxybutyric Acid allowed in the EU?

4-Amino-3-Hydroxybutyric Acid EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does 4-Amino-3-Hydroxybutyric Acid do in cosmetics?

4-Amino-3-Hydroxybutyric Acid functions as: Skin Conditioning. It is classified as a cosmetic ingredient in our database. CAS number: 352-21-6.

Is 4-Amino-3-Hydroxybutyric Acid used outside cosmetics?

4-Amino-3-Hydroxybutyric Acid also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

Does 4-Amino-3-Hydroxybutyric Acid have different safety status in cosmetics vs industrial chemicals?

4-Amino-3-Hydroxybutyric Acid is classified GHS Danger (H315, H319, H335) in the chemicals database but is allowed in EU cosmetics.

Is 4-Amino-3-Hydroxybutyric Acid in Your Products?

Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free →

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for 4-Amino-3-Hydroxybutyric Acid in your formulation.