Property: White crystal, becoming gray or brownish yellow once exposed to light, Specific gravity: 1.160 (20/20)Boiling point: 302, lightly dissolving in water, dissolving in ethanol, diethyl ether, benzene, dissolving in thick inorganic acid solution but separating if diluted by waterApplication: Diphenylamine is mainly used to synthesize rubber antiager, dye, medicine intermediate, lubricating oil antioxidant, and powder stabilizer. Package: This product is packed in 25kg paper&plastic composite sack. It should be kept away from sunlight, moisture, and heat.