Quininae Benzoas. Quinine Benzoate.
C27H30N2O4 = 446.26.
Quinine benzoate, C20H24N2O2C7H6O2, may be prepared by dissolving 3 of benzoic acid and 8 of anhydrous quinine in hot alcohol, and crystallising. It occurs in the form of small white prismatic crystals. It contains 72.65 per cent. of quinine and 27.35 per cent. of benzoic acid.
Soluble in water (about 1 in 350); also soluble in alcohol.
Action and Uses.—Quinine benzoate has the general properties of quinine salts, but it is not often used in medicine.
Dose.—1 to 6 decigrams (2 to 10 grains).