Diphenylamine is a solid crystalline organic compound with the chemical formula (C6H5)2NH. Diphenylamine is a derivative of aniline, where the amine is capped by two phenyl groups. Diphenylamine is used as a dye fixative, an ingredient in medicines, as a product preservative in the agricultural industry, as an explosive, and as a fragrance in the cosmetics industry. The manufacture of d…