Elixir Sodii Hypophosphitis (Elix. Sod. Hypophos.), Elixir of Sodium Hypophosphite, N.F.—Sodium hypophosphite (3.5%), hypophosphorous acid (0.4%), and aromatic elixir. Absolute alcohol content about 21 per cent.

Uses: Objectionable alcoholic preparation of an inactive drug.

Dosage: 4 Cc. or 1 fluidrachm (N.F.).

Syrupus Sodii Hypophosphitis (Syr. Sod. Hypophos.), Syrup of Sodium Hypophosphite, N.F.—Sodium hypophosphite (3.5%), and hypophosphorous acid (0.2%) in syrup.

Dosage: 4 Cc. or 1 fluidrachm (N.F.).

Sodii Indigotindisulphonas (Sod. Indigotin.), Sodium Indigotindisulphonate, U.S.P. (Indigo Carmine).

Blue powder or dark purple paste. Sparingly soluble in water and almost insoluble in alcohol.

Action and Uses: Coloring agent.

*Sodii Iodidum (Sod. Iod.), Sodium Iodide, U.S.P.—NaI.

Colorless crystals or white powder, odorless and having a saline taste. Very soluble in water (1:0.55) and freely soluble in alcohol (1:2).