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54925

Sigma-Aldrich

(S)-3-Hydroxybutyric acid

≥97.0%

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Synonym(s):
(+)-3-Hydroxy-n-butyric acid, (3S)-3-Hydroxybutanoic acid, (S)-β-Hydroxybutanoic acid, (S)-(+)-β-Hydroxybutyric acid, L-β-Hydroxybutyric acid
Empirical Formula (Hill Notation):
C4H8O3
CAS Number:
Molecular Weight:
104.10
Beilstein/REAXYS Number:
1720567
EC Number:
MDL number:
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

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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1 of 4

This Item
549655492072713
(S)-3-Hydroxybutyric acid ≥97.0%

54925

(S)-3-Hydroxybutyric acid

(±)-Sodium 3-hydroxybutyrate ≥99.0% (NT)

54965

(±)-Sodium 3-hydroxybutyrate

(R)-3-Hydroxybutyric acid ≥98.0% (T)

54920

(R)-3-Hydroxybutyric acid

L-3-Aminoisobutyric acid ≥97.0% (TLC)

72713

L-3-Aminoisobutyric acid

Quality Level

100

Quality Level

200

Quality Level

100

Quality Level

100

mp

45-50 °C

mp

167-170 °C

mp

49-50 °C (lit.)

mp

-

form

powder or crystals

form

-

form

solid

form

powder

storage temp.

2-8°C

storage temp.

-

storage temp.

2-8°C

storage temp.

-

optical activity

[α]20/D +25±1°, c = 6% in H2O

optical activity

-

optical activity

[α]20/D −25±1°, c = 6% in H2O

optical activity

[α]/D 13±2°, c = 1 in 0.5 M HCl

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

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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