Action and Uses: Caustic. Formerly thought to be a “hepatic stimulant,” but acts much like other mineral acids.

Acidum Nitrohydrochloricum Dilutum (Acid. Nitrohydrochl. Dil.), Diluted Nitrohydrochloric Acid, U.S.P. (Diluted Nitromuriatic Acid).—An aqueous solution of about one-fifth the strength of nitrohydrochloric acid; should be freshly prepared.

Dosage: 1 Cc. or 15 minims (U.S.P.), well diluted.

Acidum Oleicum (Acid. Oleic.), Oleic Acid, U.S.P.—Obtained from fats.

A yellowish or brownish-yellow, oily liquid, having a lard-like odor and taste. Practically insoluble in water, partially soluble in 60 per cent. alcohol.

Action and Uses: Solvent for making oleates.

*Acidum Phenylcinchoninicum (Acid. Phenylcinch.), Phenylcinchoninic Acid, U.S.P. (Phenyl-Quinoline-Carboxylic Acid, Atophan).

A white or nearly white, odorless or nearly odorless powder with a bitter taste. Insoluble in cold water, slightly soluble in cold alcohol.

Action and Uses: Increases the excretion of uric acid and diminishes its concentration in the blood. Analgesic. Has been used in acute and chronic gout.

Dosage: 0.5 Gm. or 8 grains (U.S.P.), in tablets or powder.