Melting point :289-291 °C (lit.)
Boiling point :380.84°C (rough estimate)
Density :1.1907 (rough estimate)
refractive index :1.6500 (estimate)
storage temp. :Keep in dark place,Inert atmosphere,Room temperature
form :Solid
pka :0.53±0.20(Predicted)
color :Brown to black
BRN :2125604
CAS DataBase Reference :1758-68-5(CAS DataBase Reference)
EPA Substance Registry System :9,10-Anthracenedione, 1,2-diamino- (1758-68-5)

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.