Alpha-1,4-naphthoquine is not a recognised standard perfumery aromachemical in common industry references. The name resembles antimalarial or dye-chemistry compounds (naphthoquinone derivatives) rather than fragrance materials. Without reliable olfactory data, any description would be speculative.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 997.
Yellow crystals.
Intensely sweet, but unpleasant, almost choking odor. In high concentration it may remind the observer of Halogen-odor, and a great variety of phrases are used for description of its odor.
The material has been used for masking of unpleasant industrial chemical odors, but the author believes that this practice is obsolete.
Produced by chromic acid oxidation of 1,4-Amino-naphthol.