rubber antioxidant IPPD Commodity Name : Rubber Antioxidant 4010NA( IPPD) Chemical Name : N-isopropyl-N' -phenyl-p-phenylene diamine CAS NO. 101-72-4 Application : Mainly used in manufacture of tires , rubber shoes and other rubber products . Quality standard : GB/ T 8828-2003 ITEM QUALITIED GRADE Appearance Dark brown to dark violet pastilles . Melting Point 70.0 MIN Heating loss 0.30% MAX Ash 0.20% MAX Assay( GC) 95.0% MIN Packing : 20Kg net , paper bag