Ortho-benzoquinone is not a conventional perfumery material — it is a reactive, unstable quinone with a sharp, acrid, pungent odor reminiscent of chlorine-like phenolics and irritating vapors. It is not used in fragrance formulation due to its instability and skin-sensitizing reactivity.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 126.
Reddish prismatic crystals
Occasionally used in flavors for imitation apricot, berry, butter, fruit, nut, peach, vanilla, etc.
Concentration is usually traces only (a few ppm in finished product).
1) From benzylchloride plus benzol (condens.). 2) From benzonitrile plus phenyl magnesium bromide. 3) By oxidation of diphenylmethane with chromic acid.