Hydroquinaldine (2-methylquinoline reduced form/quinoline derivative) has a dry, animalic-leather character with tobacco and phenolic facets. It smells slightly nutty and warm, evoking old leather bindings and dry pipe tobacco, with a subtle sweaty-indolic edge. Used in trace amounts to add depth and naturalness to leather and tobacco accords.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 711.
Pale straw-colored or pale-amber colored oily liquid
Very slightly soluble in water, soluble in alcohol, miscible with most oils
Powerful and rich, sweet-floral odor with resemblance to Lilac. Slightly animal undertone and good tenacity
This Amine is used in perfumery as a modifier for conventional Lilac materials (Terpineol-Linalool-etc.), and in general as a floralizer in heavy or very deep-sweet florals where slightly animal notes are tolerated or desirable.
1) from ortho-Toluidine and Acrolein with Stannic chloride (or with Glycerin plus Sulfuric acid) in the so-called Skraup-reaction. 2) by reduction of Quinaldine (obtainable from coal tar) with Hydrogen and a catalyst. 3) from Aniline plus Acetaldehyde via Quinaldine.