A white, odorless powder, with a saline taste. Freely soluble in water (1:2.6) and soluble in alcohol (1:100). ACTION AND USES: Liquefying expectorant; used in cough mixtures, and in the treatment of inflammation of the air-passages. DOSAGE: 0.3 Gm. or 5 grains (U.S.P.), in solution or lozenges. _Mistura Ammonii Chloridi (Mist. Ammon. Chlor.), Mixture of Ammonium Chloride, N.F._ (Mistura Solvens Simplex).--Ammonium chloride (2.5%) and pure extract of glycyrrhiza in water. DOSAGE: 8 Cc. or 2 fluidrachms (N.F.). _Trochisci Ammonii Chloridi (Troch. Ammon. Chlor.), Troches of Ammonium Chloride, U.S.P._--Each troche contains ammonium chloride (0.1 Gm.) with extract of glycyrrhiza, tragacanth and sugar, flavored with syrup of tolu. =Ammonii Citras, Ammonium Citrate.= _Liquor Ammonii Citratis (Liq. Ammon. Cit.), Solution of Ammonium Citrate, N.F._--Ammonium citrate (14.47%) in water. DOSAGE: 4 Cc. or 1 fluidrachm (N.F.). _Ammonii Hypophosphis (Ammon. Hypophos.), Ammonium Hypophosphite, N.F._--NH{4}H{2}PO{2}. Colorless plates or white powder, odorless, with a saline, bitter taste. Very soluble in water (1:1) and soluble in alcohol (1:20). ACTION AND USES: Similar to but without material advantage over ammonium chloride. DOSAGE: 0.2 Gm. or 3 grains (N.F.). _Syrupus Ammonii Hypophosphitis (Syr. Ammon. Hypophos.), Syrup of Ammonium Hypophosphite, N.F._--Ammonium hypophosphite (3.5%) and diluted hypophosphorous acid, flavored with compound spirit of vanillin, in water, glycerin and syrup. DOSAGE: 4 Cc. or 1 fluidrachm (N.F.) =Ammonii Iodidum (Ammon. Iod.), Ammonium Iodide, U.S.P.=--NH{4}I. White, odorless powder, with a saline taste. Freely soluble in water (1:0.6), in alcohol (1:3.7) and in glycerin (1:1.5). ACTION AND USES: Those of the iodides. More irritant and less stable than sodium or potassium iodide, over which it has no advantage. DOSAGE: 0.3 Gm. or 5 grains (U.S.P.), in solution. _Linimentum Ammonii Iodidi (Lin. Ammon. Iod.), Liniment of Ammonium Iodide, N.F._--Ammonium iodide (about 0.5%) with oil of rosemary, oil of lavender, camphor, ammonia water and alcohol. USES: Irrational preparation. =Ammonii Phosphas (Ammon. Phos.), Ammonium Phosphate, N.F.=--A mixture of (NH{4}){2}HPO{4} and NH{4}H{2}PO{4}. Colorless crystals or white powder. Freely soluble in water (1:4), but insoluble in alcohol. ACTION AND USES: Similar to but without advantage over sodium phosphate. DOSAGE: 0.3 Gm. or 5 grains (N.F.). =Ammonii Salicylas (Ammon. Salicyl.), Ammonium Salicylate, U.S.P.= White, odorless crystals or powder with a bitterish taste. Very soluble in water (1:1) and in alcohol (1:3). Incompatible with acids and fixed alkalies. ACTION AND USES: Those of salicylates; without advantage over sodium salicylate. DOSAGE: 0.5 Gm. or 8 grains (U.S.P.), in solution.