Diphenylamine has a faintly floral, sweet-phenolic odor with a waxy, slightly earthy undertone. In isolation it is soft and diffuse rather than pungent, occasionally reading as a muted geranium- or citrus-adjacent nuance. Rarely used in modern perfumery; more common as an industrial antioxidant.AI · claude-opus-4-7
Composition, IFRA restriction figures, allergen concentrations and where this material is bought are part of Perfume Foundry’s curated library and need an account. Create one or sign in.
Perfume and Flavor Chemicals, page 441.
White crystals.
Insoluble in water, 40° soluble in alcohol, miscible with most oils.
The pure material has a faint, sweet, floral odor, but most commercial lots display a chemical note, varying from gassy to fishy.
It is occasionally used as an antioxidant or stabilizer in various perfume chemicals.
Produced from Aniline plus Aniline hydrochloride at 260° C.