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Yellow to reddish or pale brown, hard, brittle, granular solid, cross section, white to milky yellow, with a strong vanilla odor. Insoluble in water and partly soluble in ethanol.
Can be used as a chewing gum base agent, flavoring agent, surface gloss agent.
The trunk secretion of Styracaceae benzoin etc., at room temperature with ethanol extraction, ethanol distillation and preparation.