White crystal..Turn pale and brown yellow when meet lights.Gravity:1.160(20oC),boilpoint:302℃,little soluble in water,soluble in alcohol,ether,benzene and so on.Can soluble in concentrated inorganic acid solution,but it can separate out if water is put to dilute.
The product is mainly used for rubber antioxidant, dyestuff, medical intermediate, lubricating oil antioxidant,and powder stablizer.