Rubber antioxidant d(PBN) Chemical name: N-phenyl-2-naphthylamine Molecular Formula: C16H13N Molecular Weight: 219.28 CAS NO.:135-88-6 EINECS NO.: 205-223-9 Specification ï¼? Appearance Pale or Brown powder Melting point â?¥oC 105.0 Reduction in weight after Heating,%â?¤ 0.20 Ash,%â?¤ 0.20 Phenylamine content No blue and purple reaction by testing Screen residue(100 meshes),%â?¤ 0.20 Magnetic object content,%â?¤ 0.008 Application:The product is mainly used for natural and synthetic. Used in tyres, rubber belts. Packing: 25kg in kraft paper with PE bag inside.