-red-redish brown, cubic or amorphous powder, sol. in absolute alcohol, very slightly sol. in cold water, insol. in hot water, ether, NH3, CS2, ignites at 200┬░C
-violet-violet colored ,monoclinic, insol. in organic solvents
-yellow-yellow or white cubic, or wax like solid, in cold water.0003 g/100 cc, slightly sol. in hot water, in alcohol .3 g/100cc,CS2 880 g/100 cc, sol. in benzene, NH3,alkaline,ether,chloroform,toluene