Melting point :222°C
Boiling point :325.46°C (rough estimate)
Density :1.2831 (rough estimate)
refractive index :1.4580 (estimate)
storage temp. :2-8°C
solubility :Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
form :powder
pka :6.75±0.40(Predicted)
color :Yellow
Water Solubility :5g/L(14 ºC)
LogP :2.880 (est)
CAS DataBase Reference :519-34-6(CAS DataBase Reference)
EPA Substance Registry System :Methanone, (3,4-dihydroxyphenyl)(2,4,6-trihydroxyphenyl)- (519-34-6)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H400 Very toxic to aquatic life Hazardous to the aquatic environment, acute hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P391 Collect spillage. Hazardous to the aquatic environment P501 Dispose of contents/container to..…