n-Butyl tartrate is a plasticizer-type ester with very little intrinsic odor — at most a faint waxy or mildly fatty note. It is used in perfumery as a fixative or diluent rather than for its own scent.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 223.
Colorless prismatic crystals or colorless liquid
Almost insoluble in water, soluble in alcohol and oils
Practically odorless when pure
Slightly bitter-astringent taste and mouth-feel
At one time used as a solvent for crystalline perfume materials, but has no longer interest as such
Produced by direct esterification of n-Butanol with Tartaric acid under azeotropic conditions