Melting point :156 °C (dec.)(lit.)
Boiling point :514.17°C (rough estimate)
Density :1.1960 (rough estimate)
refractive index :1.6500 (estimate)
storage temp. :Sealed in dry,Room Temperature
solubility :0.431g/l (experimental)
form :powder to crystal
pka :1.26±0.65(Predicted)
color :White
Water Solubility :439mg/L(20 ºC)
BRN :59702
Stability :Stable. Incompatible with strong oxidizing agents.
CAS DataBase Reference :1251-85-0(CAS DataBase Reference)
EPA Substance Registry System :3H-Pyrazol-3-one, 4,4'-methylenebis[1,2-dihydro-1,5-dimethyl-2-phenyl- (1251-85-0)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, 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.