The name 'Iso Butyl' is ambiguous — likely shorthand for an isobutyl ester (e.g. isobutyl acetate or isobutyl alcohol). In general such isobutyl esters smell sweet, fruity and slightly solvent-like, with a light ethereal top-note character reminiscent of apple, banana or pear skin. They flash off quickly leaving little residue.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 176.
Colorless mobile liquid.
Insoluble in water, soluble in alcohol and oils.
Fresh-floral, but somewhat chemical, odor one often finds the word metallic which, in the author’s opinion, is more appropriate for the Heptyl ethers.
Used in flavor compositions, mostly in fruit flavors.
Occasionally used in perfume compositions, mostly for soap fragrances, where the stability and power of this ether can be advantageous, or in industrial fragrances, low-cost detergent perfumes, etc.
Used in flavor compositions, mostly in fruit flavors.
Produced by dehydration of n-Butanol and Benzyl alcohol.