Epitome of the Pharmacopeia of the United States and the National Formulary / With Comments

by Albion Walter Hewlett; William August Puckner; Torald Hermann Sollmann; Martin I. Wilbert

Dosage: 1 Cc. or 15 minims (U.S.P.), after meals, diluted in one-half to one glass water and taken through a glass tube to protect the teeth.

Acidum Hydrocyanicum Dilutum (Acid. Hydrocyan. Dil.), Diluted Hydrocyanic Acid, U.S.P. (Diluted Prussic Acid, Acidum Hydrocyanicum Dilutum, P.I.).—HCN (about 2%).

A colorless liquid, with an odor like that of bitter almonds.

Action and Uses: Said to be sedative. Was formerly used as an addition to cough mixtures and as an antiemetic but, because of its poisonous properties and instability, is no longer used to the same extent.

Dosage: 0.1 Cc. or 1-1/2 minims (U.S.P.)—not drops.

Acidum Hypophosphorosum (Acid. Hypophos.), Hypophosphorous Acid, U.S.P.—H₃PO₂ (about 31%).

A colorless, odorless liquid.

Action and Uses: Ingredient of compound hypophosphite preparations.

Acidum Hypophosphorosum Dilutum (Acid. Hypophos. Dil.), Diluted Hypophosphorous Acid, U.S.P.—H₃PO₂ (about 10%).

A colorless, odorless liquid with a strong acid taste.