n-Butyl citrate (tributyl citrate) is essentially odorless — a bland, faintly oily plasticizer-like character at most. Used primarily as a solvent, fixative or diluent in fragrance rather than for its own scent contribution.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 183.
Colorless liquid.
Insoluble in water, soluble in alcohol.
When absolutely pure, this ester has virtually no odor. However, a trace of Butanol odor is often perceptible.
Butyl citrate has found some - but very little - use as a solvent/fixative in perfumes and flavors, but it can be classified as uninteresting to the creative perfumer or flavorist.
Produced by direct esterification of Butanol with Citric acid.