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3-Hydroxybutyric acid

3-Hydroxybutyric acid structure

CAS No:
625-71-8
Formula:
C4H8O3
Chemical Name:
3-Hydroxybutyric acid
Synonyms:
RARECHEM AL BO 1231;(+/-)-3-HYDROXYBUTANOIC ACID;(+/-)-3-HYDROXYBUTYRIC ACID;DL-3-HYDROXY-N-BUTYRIC ACID;DL-BETA-HYDROXYBUTYRIC ACID;BETA-HYDROXY-N-BUTYRIC ACID;dl-3-hydroxybutyric acid;(3R)-3-Hydroxybutyric acid
Categories:
Pharmaceutical Intermediates > Bulk Drug Intermediates

Description

Solid

In human, 3-hydroxylbutyric acid (ß-Hydroxybutyric acid or 3-hydrobutanoic acid) is one of the two primary endogenous agonists of hydroxycarboxylic acid receptor 2 (HCA2), a Gi/o-coupled G protein-coupled receptor (GPCR).1It can be used for synthesis of biodegradable polymer, polyhydroxybutyrate.2

ChEBI: 3-hydroxybutyric acid is a straight-chain 3-hydroxy monocarboxylic acid comprising a butyric acid core with a single hydroxy substituent in the 3- position; a ketone body whose levels are raised during ketosis, used as an energy source by the brain during fasting in humans. Also used to synthesise biodegradable plastics. It has a role as a human metabolite. It is a 3-hydroxy monocarboxylic acid, a hydroxybutyric acid and an (omega-1)-hydroxy fatty acid. It is functionally related to a butyric acid. It is a conjugate acid of a 3-hydroxybutyrate.

3-Hydroxybutyric acid forms films of random copolymer with (R)-3-hydroxypentanoic acid, (R)-3-hydroxyhexanoic acid, 4-hydroxybutyric acid, 6-hydroxyhexanoic acid and (S,S)-lactide by the melt-crystallized method. It is an important intermediate for the fine chemical industry.

3-Hydroxybutyric acid Basic Attributes

Molecular Weight：

104.1

Exact Mass：

104.10

EC Number：

206-099-9

Characteristics

PSA：

57.53000

XLogP3：

-1.14

Density：

1.126 g/mL at 25 °C (lit.)

Melting Point：

49°C

Boiling Point：

118-120 °C/2 mmHg (lit.)

Flash Point：

121.0±19.1 °C

Refractive Index：

n20/D1.443(lit.)

Water Solubility：

444 mg/mL

PKA：

4.70(at 25℃)

Critical Temperature & Pressure：

2-8°C

Safety Information

wgk germany：

hazard class code：

safety instructions：

26-36

Marks：

Precautionary statement(s)：

P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501

Hazard Statements：

36/37/38

3-Hydroxybutyric acid Use and Manufacturing

3-Hydroxybutyric acid was used in enantioselective synthesis ofD-(-)-3-hydroxybutyric acid byEscherichia coli.

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