Diphenylamine is an organic compound with the formula (C6H5)2NH. The compound is a derivative of aniline, consisting of an amine bound to two phenyl groups. The compound is a colorless solid, but commercial samples are often yellow due to oxidized impurities. Diphenylamine dissolves well in many common organic solvents, and is moderately soluble in water. It is used mainly for its antioxidant properties.
Appearance & Physical State
white crystals or powder
Slightly soluble. 0.03 g/100 mL
Stable; may discolour on exposure to light. Incompatible with strong acids, strong oxidizing agents.