Triethylene glycol is essentially odorless — a clear, viscous glycol used as a solvent, humectant, and fixative rather than for its scent. Any perceptible note is a very faint, slightly sweet-syrupy background that most noses read as neutral.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 1333.
Practically colorless, viscous liquid.
Miscible with water, alcohol and most oils, but not with hydrocarbons.
Almost odorless, or having a faint, musty odor.
Used as a solvent or diluent in perfume compositions, occasionally as a co-solvent for perfumes to be made water-soluble.
Should not be used in flavor compositions.
Produced from (many methods) e.g. from Ethylene oxide plus Ethylene glycol with sulfuric acid. This process also yields some Diethylene glycol and Tetra ethylene glycol