Properties.—White silky, glistening needles or microcrystalline cubes, or a white, crystalline powder, odorless and having a bitter taste; permanent in the air. Soluble in water and alcohol; insoluble in ether and chloroform.
Dose.—Horses and cattle, 3 to 10 gr.; sheep, 1⁄2 to 2 gr.; pigs, 1⁄10 to 1⁄2 gr.; dogs, 1⁄8 to 1⁄2 gr. About one-half of these doses for hypodermic use.
MORPHINAE ACETAS—MORPHINE ACETATE
Morphine is dissolved in acetic acid and water and the solution evaporated and crystallized.
Properties.—A white or faintly yellowish-white, crystalline, amorphous powder, having a faint, acetous odor and bitter taste. Soluble in water and alcohol.
Dose.—Same as morphine hydrochloride.
MORPHINAE SULPHAS—MORPHINE SULPHATE
Morphine is stirred into boiling distilled water; diluted sulphuric acid is added until neutralization is attained, and the sulphate crystallizes out on cooling.
Properties.—White, feathery, acicular, silky crystals, or in cubical masses, odorless, permanent in the air, and having a bitter taste. Soluble in water and alcohol, insoluble in chloroform and ether.