The product is used as antioxidant for natural rubber and latex;also used for polyethylene.It can be used alone,or together with other anti-aging agent(such as DNP, AP and other nonpolluting anti-agers).It should not be used for food contact rubber products. The product is white powder,no smell but taste bitter,the initial is more than 290.0?,loss on drying is 0.30,ash is less than 0.4%.