Melting point :174-175℃
Boiling point :118-120 °C2 mm Hg(lit.)
Density :1.126 g/mL at 25 °C(lit.)
refractive index :n20/D 1.443(lit.)
Flash point :>230 °F
storage temp. :Inert atmosphere,2-8°C
solubility :ethanol: soluble50mg/mL, clear
form :Liquid
pka :4.36±0.10(Predicted)
color :Colorless
Water Solubility :Soluble in water, alcohol, ether
Sensitive :Hygroscopic
Merck :14,4816
BRN :773861
LogP :-0.764 (est)
CAS DataBase Reference :300-85-6(CAS DataBase Reference)
EPA Substance Registry System :Butanoic acid, 3-hydroxy- (300-85-6)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes 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. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection. P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. 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.