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Key Documents

54925

Sigma-Aldrich

(S)-3-Hydroxybutyric acid

≥97.0%

Synonym(s):

(+)-3-Hydroxy-n-butyric acid, (3S)-3-Hydroxybutanoic acid, (S)-β-Hydroxybutanoic acid, (S)-(+)-β-Hydroxybutyric acid, L-β-Hydroxybutyric acid

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About This Item

Empirical Formula (Hill Notation):
C4H8O3
CAS Number:
Molecular Weight:
104.10
Beilstein:
1720567
EC Number:
MDL number:
UNSPSC Code:
51113400
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

≥97.0%

form

powder or crystals

optical activity

[α]20/D +25±1°, c = 6% in H2O

mp

45-50 °C

functional group

carboxylic acid
hydroxyl

storage temp.

2-8°C

SMILES string

C[C@H](O)CC(O)=O

InChI

1S/C4H8O3/c1-3(5)2-4(6)7/h3,5H,2H2,1H3,(H,6,7)/t3-/m0/s1

InChI key

WHBMMWSBFZVSSR-VKHMYHEASA-N

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Application

(S)-3-Hydroxybutyric acid can be used as a reagent in the synthesis of:
  • S-(2-acetamidoethyl) (S)-3-hydroxybutanethioate by reacting with acetylcysteamine in the presence of coupling reagent.
  • 3-hydroxy-N-(4-methoxyphenyl)-(3S)-butanamide by treating with 4-methoxyaniline in the presence of acid-amine coupling reagent.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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