Diacetin (glycerol diacetate) is a nearly odorless viscous liquid used primarily as a solvent, fixative, and diluent in fragrance. Any perceptible note is a very faint, slightly fatty-oily undertone with a whisper of mild vinegary character on close inspection.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 358.
Colorless, slightly viscous liquid.
Soluble in water and alcohol. Poorly soluble in most perfume and flavor oils. Miscible with propylene glycol.
Almost odorless, or having a faint, sweet-ethereal odor.
Practically no use in perfumery.
Mainly used as a solvent in flavor compositions.
1) from glycerin with 2 mol. acetic acid. 2) from allyl acetate with hypoiodous acid, followed by reaction with potassium acetate.