Melting point :15°C (estimate)
Boiling point :73-76 °C/12 mmHg (lit.)
Density :1.023 g/mL at 25 °C (lit.)
refractive index :1.430
Flash point :91°F
storage temp. :under inert gas (nitrogen or Argon) at 2-8°C
solubility :Chloroform, Methanol (Slightly)
pka :14.43±0.10(Predicted)
form :Oil
color :Clear Colourless
Water Solubility :Miscible with water, alcohol, ethanol and ether.
BRN :1737666
LogP :-1.209 at 25℃
CAS DataBase Reference :590-90-9(CAS DataBase Reference)
NIST Chemistry Reference :4-Hydroxy-2-butanone(590-90-9)
EPA Substance Registry System :2-Butanone, 4-hydroxy- (590-90-9)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H226 Flammable liquid and vapour Flammable liquids Category 3 Warning H227 Combustible liquid Flammable liquids Category 4 Warning P210, P280, P370+P378, P403+P235,P501 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405 Store locked up.