(±)-3-Hydroxybutyric acid

  • (±)-b-Hydroxybutyric acid
  • DL-3-Hydroxybutyric acid
Formula
C4H8O3
Structure
Uses
Starting material for producing chiral compounds.

Registry Numbers and Inventories.
CAS
625-71-8
EC (EINECS/ELINCS)
210-908-0
36/37/38
Merck
13,4746
Beilstein/Gmelin
1720568
Beilstein Reference
4-03-00-00760
Austrailia AICS
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C4H8O3
Formula mass
104.11
Melting point, °C
49 - 50
Boiling point, °C
269
Vapor pressure, mmHg
0.001 (25 C)
Solubility in water
Very soluble
pKa/pKb
4.36 (pKa)
Heat of vaporization
58.9 kJ/mol

Hazards and Protection.
Small spills/leaks
Flush spill area with copious amounts of water. Place in appropriate container.

Fire.
Flash Point,°C
121
Fire fighting
Extinguish using Water spray. Carbon dioxide, dry chemical powder, or appropriate foam.

Health.
Exposure effects

First aid
 

Transport.