Antioxidant a Molecular formula: c16h13n Chemical name: n-phenye---napthylamine Executive standard: gb 8827-88 Specification: Index grade Appearance yellow or purple flake Solidifying point 53.0 Free amine content %_ 0.20 Application: it is used in natural rubber, synthetic rubber field. It+s used for making tires, rubber tubes, shoes, and other black industrial rubber products. It has good preventing performance caused by oxidizing , heat and wind, it can be used lonely and also be used with other antioxidants as gelata. Package and storage:25kg paper bag in lined with plastic bag. It should be stored in a cool well-ventilated area..