Title: Gum Benzoin
CAS Registry Number: 9000-05-9
Additional Names: Resin benzoin; resin benjamin; gum benjamin
Literature References: Balsamic resin from Styrax benzoin Dryand., known as Sumatra benzoin, or from S. tonkinensis (Pierre) Craib, Styracaceae, or other species of Styrax known as Siam benzoin. Habit. Thailand, Cambodia, S. Vietnam, Sumatra, Java, and Sunda Islands. Constit. Ethereal oil, free and combined benzoic and cinnamic acids up to 39%, vanillin, coniferyl benzoate, resin (a mixture of benzoresinol and benzoresinotannol) esterified with benzoic acid, styrol, styracin. Not less than 90% of Siam and not less than 75% of Sumatra benzoic is sol in alc (U.S.P.). Ref: Reinitzer, Arch. Pharm. 264, 131 (1926); Brans, Pharm. Weekbl. 73, 374 (1936); Freudenberg, Bittner, Ber. 83, 600 (1950).
Use: Preserving ointments; preparing natural benzoic acid; for fumigating pastilles; in perfumery and cosmetics.
Therap-Cat: Topical protectant.
Therap-Cat-Vet: Tincture is used topically as an antiseptic and to promote healing; as an inhalant for bronchitis, and orally as an expectorant.
Keywords: Topical Protectant.