Action and Uses: Demulcent; chiefly as a vehicle to suspend insoluble substances in aqueous mixtures.
*Mucilago Acaciae (Mucil. Acac.), Mucilage of Acacia, U.S.P.—Acacia (35%) in water.
Dosage: 15 Cc. or 4 fluidrachms (U.S.P.).
Syrupus Acaciae (Syr. Acac.), Syrup of Acacia, U.S.P.— Acacia (10%) in sugar and water.
ACETA, VINEGARS.—A vinegar is a solution of vegetable principles either in diluted acetic acid or in a mixture of diluted acetic acid and alcohol. For Acetum Aromaticum, see under Oleum Lavandulae; for Acetum Opii and Acetum Scillae, see under Opium and Scilla, respectively.
*Acetanilidum (Acetanil.), Acetanilid, U.S.P. (Acetanilide, Antifebrin).—C6H5NH.CH3CO.
A white, odorless, crystalline powder, with a slightly burning taste. Slightly soluble in water (1:190), very soluble in alcohol (1:3.4) and in chloroform (1:3.7). Incompatible with spirit of nitrous ether and forms pasty masses when triturated with chloral or antipyrin.
Action and Uses: Analgesic, antipyretic and, in excessive doses, a cardiac depressant. Used particularly to relieve headache and neuralgic pains. A habit-forming drug. If used over a long period of time, it may produce a severe anemia.
Dosage: 0.2 Gm. or 3 grains (U.S.P.) in powders which may be placed in capsules, or tablets which should be crushed before swallowing. It is well to begin with 0.1 Gm. or about 1-1/2 grains, and to repeat cautiously.
Pulvis Acetanilidi Compositus (Pulv. Acetanil. Co.), Compound Acetanilid Powder, N.F.—Acetanilid (70%), caffeine (10%) and sodium bicarbonate (20%).