Ethyl hexanediol (2-ethyl-1,3-hexanediol) is essentially odorless — a viscous, high-boiling diol used historically as an insect repellent and as a solvent/fixative carrier. In practice it contributes almost no smell of its own, occasionally showing a very faint mild, slightly oily or waxy nuance on close inspection.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 512.
Colorless oily liquid
Soluble in water, miscible with alcohol and oils
Peculiar 'Witch-Hazel'-like odor, more often described as 'musty', slightly earthy, overall weak
Bitter taste at concentrations higher than 50 ppm
Very rarely used as an active ingredient in perfume or flavor compositions
Serves as a solvent or diluent
Produced from n-Butyric aldehyde and Magnesium Aluminum Ethoxide followed by hydrolysis of the resulting Ethyl hexyl butyrate