A powerful hyacinth-styrax note with a green, slightly balsamic character. Diffusive and floral with a warm sweet undertone reminiscent of cinnamic esters, useful for building hyacinth, narcissus and green floral accords.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 161.
Pale yellowish mobile liquid.
Almost insoluble in water, soluble in alcohol and oils.
Very powerful, pungent-floral and somewhat gassy odor, in extreme dilution reminiscent of Hyacinth, with emphasis of the green-gassy pungency and very heavy sweetness.
This chemical, known for half a century, was once a very popular ingredient in soap perfumes. Its effect is similar to that of Phenylacetaldehyde, but gram for gram it is more powerful. However, the poor stability (and poor tenacity) of Bromostyrol puts it out of demand by modern perfumers.
Produced from Cinnamic acid with Bromine in a non-polar solvent to yield Dibromo phenylpropionic acid, which is treated with aqueous Sodium carbonate to yield Bromostyrol. The product is steam distilled out of the reaction mixture.