Melting point :122-126 °C
Boiling point :345.1°C (rough estimate)
Density :1.1427 (rough estimate)
vapor pressure :0Pa at 25℃
refractive index :1.5700 (estimate)
Flash point :113 °C
pka :9.09±0.70(Predicted)
form :Solid:particulate/powder
Water Solubility :7.1 g/L (20 ºC)
LogP :0.18
CAS DataBase Reference :13047-13-7(CAS DataBase Reference)
EPA Substance Registry System :3-Pyrazolidinone, 4-(hydroxymethyl)-4-methyl-1-phenyl- (13047-13-7)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, 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.