Melting point :175-177 °C (anhydrous)(lit.)
Boiling point :352.36°C (rough estimate)
alpha :D18 +16 to +18.4°
Density :1.2451 (rough estimate)
refractive index :1.4359 (estimate)
storage temp. :2-8°C
solubility :DMSO (Slightly), Methanol (Slightly), Water (Slightly, Sonicated, Heated)
pka :9.54±0.10(Predicted)
form :Solid
color :Light Orange to Light Brown
Merck :14,1902
InChIKey :PFTAWBLQPZVEMU-DZGCQCFKSA-N
LogP :0.510
CAS DataBase Reference :154-23-4
EPA Substance Registry System :2H-1-Benzopyran-3,5,7-triol, 2-(3,4-dihydroxyphenyl)-3,4-dihydro-, (2R,3S)- (154-23-4)

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. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.