Copaiba
the balsam or oleo-resin obtained from incisions made in the trunk of copaifera multijuga and other species of copaifera. Copaiba is about the consistence of olive-c olive-oil, light in color and transparent, with a peculiar odor, and an acrid, aromatic taste; it is perfectly soluble in an equal volume of benzene; it does not become gelatinous when heated to 270° Fahr., and is not fluores- COPAL cent. It contains a resin, copaivic acid, on the university extension courses in and an essential oil, copaiba oil. It dissolves one-fourth of its weight of magnesia carbonate when heated, and remains transparent; it is said that a small quantity of water contained in the balsam first combines with the magnesia, forming a hydrate which is soluble in the resin. Copaiba acts as a stimulant on the mucous membranes, especially on the genito-urinary organs.