1.high purity 99.7% 2.use for synthesize rubber antiager, dye, medicine intermediate, lubricating oil antioxidant 3.SGS,MSDS Diphenylamine(DPA) CAS NO.:122-39-4 Application: diphenylamine is mainly used to synthesize rubber antiager, dye, medicine intermediate, lubricating oil antioxidant, and powder stabilizer. Property: white crystal, becoming gray or brownish yellow once exposed to light, ...