Benzoin Siam resinoid is obtained by solvent extraction of the resin from
Styrax tonkinensis (Pierre) Craib ex Hartwich trees (Styracaceae). The wild
growing Styrax tree is widespread in Thailand, Laos, Cambodia, and Vietnam.
Annually, ～100 t resin are collected.
Benzoin Siam resinoid is a reddish to light brown, viscous liquid with a longlasting,
chocolate-like, sweet, balsamic odor. It is used in perfumery for balsamic
nuances and as a fixative.
Extractives and their physically modified derivatives. It is a product which may contain resin acids and their esters, terpenes, and oxidation or polymerization products of these terpenes. (Styrax, Styracaceae).
