Dosage: 0.35 Cc. or 6 minims (U.S.P.).

*Sodii Hydroxidum (Sod. Hydrox.), Sodium Hydroxide, U.S.P. (Caustic Soda, Sodium Hydrate).—NaOH (not less than 90%).

White, odorless masses or hard, brittle sticks. Very soluble in water (1:0.9) and very soluble in alcohol.

Action and Uses: Practically identical with those of potassium hydroxide.

*Liquor Sodii Hydroxidi (Liq. Sod. Hydrox.), Solution of Sodium Hydroxide, U.S.P. (Liquor Sodae, Solution of Soda).—NaOH (about 5%) in water.

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

Sodii Hypophosphis (Sod. Hypophos.), Sodium Hypophosphite, U.S.P.—NaH2PO2 + H2O.

Colorless plates or white powder, odorless and having a saline taste. Freely soluble in water (1:1) and soluble in alcohol.

Action and Uses: The hypophosphites have been prescribed as “tonics,” but all reliable evidence indicates that they are inert.

Dosage: 1 Gm. or 15 grains (U.S.P.).