Hydroquinone is not a standard perfumery aroma chemical — it's a phenolic antioxidant/reducing agent. In isolation it has a faint sweet-phenolic, slightly medicinal odor reminiscent of guaiacol or dilute phenol, with a dry balsamic-tarry undertone. It is used industrially as a stabilizer rather than for its scent.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 713.
White or colorless crystal leaves or crystalline mass, melting at 39°C.
Poorly soluble in alcohol, soluble in perfume and flavor materials. Insoluble in water.
Sweet and moderately warm-herbaceous odor, reminiscent at the same time of Anise and Fennel.
Sweet-herbaceous but slightly burning taste
Produced by methylation of Hydroquinone with Dimethylsulfate in weak aqueous alkaline solution.