Nomenclature
Thomas balsam; opobalsam; resin Tolu. Description and references
From Toluifera balsamum L. (Myroxylon toluiferum H. B. K.), Leguminosae. Habit. South America (Venezuela, Colombia, Peru) on elevated plains and
mountains. Constit. 12-15% free cinnamic and benzoic acids;
about 40% benzyl, etc., esters of these acids (5.2-13.4% cinnamein);
1.5-3% volatile oil. Ref: Rosenthaler, Pharm. Ztg.-Nachr. 88, 716 (1952), C.A. 47, 5076 (1953).
Properties
Yellowish-brown or brown, semifluid or nearly
solid, resinous mass; aromatic odor and taste; brittle when cold.
Insol in water; almost insol in petr ether. Sol in alcohol, benzene,
chloroform, ether, glacial acetic acid, partially in carbon disulfide
or NaOH.Use
In perfumery, confectionery and chewing gums. In
pharmacy, as ingredient and vehicle for expectorants.
Therapeutic Category
Expectorant.
Therapeutic Category (Veterinary)
Has been used as an expectorant.