chemical name: n-phenyl-2-naphthylamine molecular formula: c16h13n cas no.:135-88-6 specification ： appearance pale or brown powder melting point ≥ 105.0 reduction in weight after heating,%≤ 0.20 ash,,%≤ 0.20 phenylamine content no blue and purple reaction by testing screen residue(100 meshes),%≤ 0.20 magnetic object content,%≤ 0.008 application:the product is mainly used for natural and synthetic. used in tyres, rubber belts, and so on.