Gamma-amino-beta-hydroxybutyric acid is a gamma-amino acid comprising 4-aminobutyric acid having a 2-hydroxy substituent.
Definition
Gamma-amino-beta-hydroxybutyric acid is a gamma-amino acid comprising 4-aminobutyric acid having a 2-hydroxy substituent. It is a gamma-amino acid and a 3-hydroxy monocarboxylic acid. It is functionally related to a butyric acid. It is a conjugate acid of a 4-amino-3-hydroxybutanoate. It is a tautomer of a gamma-amino-beta-hydroxybutyric acid zwitterion.
Source: PubChem
US FDA substance register · UNII 1ZHM019FLD · registered name γ-Amino-β-hydroxybutyric acid · single chemical substance
Cosmetic roles
Safety & regulatory references
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
Other restriction: ban substances that deplete the ozone layer
Source: EU CosIng ingredient list
More data — names, identifiers, properties, test records, literature
Names & identifiers
- CAS No.chemical registry number
- 924-49-2
- EC No.EU chemical inventory number
- 213-106-9
- DTXSIDUS EPA chemical ID
- DTXSID1045877
- DTXCIDUS EPA compound ID
- DTXCID9025877
- IUPAC
- 4-Amino-3-hydroxybutanoic acid
- Molecular formula
- C4H9NO3
- Molecular weight
- 119.12 g/mol
Measured properties
- Appearance
- solid
- Colour
- white
- Melting/freezing point
- 223 ℃
- Initial boiling point and range
- 374.5 ℃(760mmHg)
- Flash point
- 128~180 ℃
- Vapour pressure
- 3.84e-07 ~1.76e-05 ㎜Hg
- Water solubility
- 9.37e-01~ 45.7 (mol/L est.)
- Relative density
- 1.27~1.31
- n-Octanol/water partition coefficient (Kow)
- -5.14~-1.50
- Viscosity
- 18.0 cP
- Molecular weight
- 119.12
Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.
Source: KOSHA safety data sheets (Korea)
What products actually use it for
What the 1 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.
- Softener and conditioner1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
1 skin studies and 0 eye studies are on record.
The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.
See all 1 studies
- SkinSens1
Skin Sensitization · QSAR Predicted
Source: US EPA CompTox dashboard
Linked databases 14
- ChEMBL
- China inventory of existing ingredients (IECIC)
- EU CosIng ingredient list 2
- Korea Cosmetic Association ingredient dictionary
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- MFDS (Korea) cosmetic ingredient register 2
- PubChem
- UniChem cross-reference IDs
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata 2