English alias:3-Hydroxy-2-butanone; acetoin, mixture of monomer and dimer; Acetoin (3-Hydroxy-2-butanone); 1-acetylethanol; Acetoin; 3-hydroxybutan-2-one; (3R)-3-hydroxybutan-2-one; (3S)-3-hydroxybutan-2-one; Acetoion
CAS No.:513-86-0
EINECS:208-174-1
Molecular formula:C₄H₈O₂
Molecular weight:88.1051 
InChI:InChI=1/C4H8O2/c1-3(5)4(2)6/h3,5H,1-2H3/t3-/m0/s1
Density:0.983g/cm³ 
Melting point:15℃ 
Boiling point:145.4°C at 760 mmHg 
Flashing point:49.7°C 
Water-solubility:SOLUBLE 
Tension:1.92mmHg at 25°C