Uses: Antiseptic.

Petroxolinum Iodi (Petrox. Iod.), Iodine Petroxolin, N.F. (Iodine Petrox 10%).—An unstable preparation, containing iodine, ammonium iodide and other iodine compounds in variable proportions, with a mixture of liquid petrolatum, alcohol, ammonium soap and oil of lavender; prepared from iodine (10%) and liquid petroxolin.

Petroxolinum Iodi Dilutum (Petrox. Iod. Dil.), Diluted Iodine Petroxolin, N.F. (Iodine Petrox 5%).—An unstable preparation containing iodine, ammonium iodide and other iodine compounds in variable proportions with a mixture of liquid petrolatum, alcohol, ammonium soap and oil of lavender; made from iodine (5%) and liquid petroxolin. Absolute alcohol content about 19 per cent.

Syrupus Iodotannicus (Syr. Iodotan.), Syrup of Iodotannin, N.F.—Made by combining iodine (0.27%) with tannic acid (0.54%) in syrup. Contains iodine probably in the form of an iodide.

Uses: Similar to those of potassium iodide; without advantage over the latter.

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

*Tinctura Iodi (Tr. Iodi), Tincture of Iodine, U.S.P.—An alcoholic solution of iodine (about 7%) and potassium iodide (about 5%). Absolute alcohol content about 83 per cent.

Dosage: 0.1 Cc. or 1-1/2 minims (U.S.P.).

Tinctura Iodi Decolorata (Tr. Iod. Decolor.), Decolorized Tincture of Iodine, N.F.—A solution of sodium iodide and ammonium iodide obtained by mixing iodine and sodium thiosulphate (each 8.3%), stronger ammonia water (6.5%) and alcohol. Absolute alcohol content about 75 per cent. Does not contain free iodine.

Uses: For external use; of doubtful utility.