Anti-aging agent DNP

　　Chemical name: N,N′-bis(β-naphthyl)p-phenylenediamine

　　Molecular formula: C20H27N

　　Molecular weight: 360.46

　　CAS#: 96-46-9

　　Appearance (visual inspection): light gray-white powder

　　Initial melting point: ℃, ≥ 225

　　Ash: %, ≤0.3

　　Heating loss: %, ≤0.5

　　Sieve residue (10μm), %, ≤0.5

　　Properties: light gray-white powder, soluble in hot aniline, benzene, ethanol, acetone, chloroform, carbon disulfide, ethyl acetate, etc., insoluble in water.

　　Uses: This product is one of the important low toxicity antioxidants for rubber and plastic processing. It has excellent heat resistance, aging resistance, resistance to copper, manganese and other harmful metals.

　　Packing: woven bag, net weight 25 kg.