USES: Toilet powder, used for local sweating. _Stili Acidi Salicylici Dilubiles (Stil. Acid. Salicyl. Dilub.), Salicylic Acid Pencil, N.F._--Salicylic acid (10%) with tragacanth, starch, white dextrin and sugar. USES: For the application of salicylic acid to limited areas =Acidum Stearicum (Acid. Stear.), Stearic Acid, U.S.P.=--Obtained from fats. A white, hard, unctuous, odorless and tasteless substance. Soluble in alcohol (1:21) and in chloroform (1:2), but insoluble in water. USES: Used in making glycerin suppositories. =Acidum Sulphuricum (Acid. Sulph.), Sulphuric Acid, U.S.P.=--H{2}SO{4} (about 94%). A colorless, odorless, corrosive liquid. Miscible with water or alcohol with evolution of much heat. ACTION AND USES: Similar to those of hydrochloric acid. Externally, the dilute acid is used as astringent. _Acidum Sulphuricum Aromaticum (Acid. Sulph. Arom.), Aromatic Sulphuric Acid, U.S.P._--A mixture, containing free sulphuric acid and ethylsulphuric acid equivalent to about 20 per cent. of H{2}SO{4} in alcohol, flavored with ginger and cinnamon. Absolute alcohol content about 85 per cent. A clear, reddish-brown liquid with an aromatic odor. DOSAGE: 1 Cc. or 15 minims, well diluted. _Acidum Sulphuricum Dilutum (Acid. Sulph. Dil.), Diluted Sulphuric Acid, U.S.P._--H{2}SO{4} (about 10%). DOSAGE: 1 Cc. or 15 minims (U.S.P.), well diluted. =*Acidum Tannicum (Acid. Tann.), Tannic Acid, U.S.P.= (Gallotannic Acid, Tannin).--Usually obtained from nutgalls. A yellowish-white to light brown powder, odorless or having a faint, characteristic odor and a strongly astringent taste. Freely soluble in glycerin (1:1) and very soluble in water and in alcohol. Incompatible with soluble preparations of iron. ACTION AND USES: Astringent; local hemostatic; antidote for certain alkaloidal and metallic poisons. DOSAGE: 0.5 Gm. or 8 grains (U.S.P.). _Collodium Stypticum (Collod. Stypt.), Styptic Collodion, N.F._--Tannic acid (20%) and flexible collodion. There is no advantage in applying tannin as collodion. _*Glyceritum Acidi Tannici (Glycer. Acid. Tann.), Glycerite of Tannic Acid, U.S.P._ (Glycerite of Tannin).--Tannic acid (20%) in glycerin. DOSAGE: 2 Cc. or 30 minims (U.S.P.). _Trochisci Acidi Tannici (Troch. Acid. Tann.), Troches of Tannic Acid, U.S.P._--Each troche contains tannic acid (0.06 Gm. or 1 grain), with sugar and tragacanth, flavored with orange flower. _Unguentum Acidi Tannici (Ung. Acid. Tann.), Ointment of Tannic Acid, U.S.P._--Tannic acid (20%), in glycerin and ointment. =Acidum Tartaricum (Acid. Tart.), Tartaric Acid, U.S.P.=--Obtained from wine lees or argol. A white, odorless powder, with an acid taste. Very soluble in water (1:0.75) and in alcohol (1:3.3). ACTION AND USES: Mild acid; used in the manufacture of effervescent salts. DOSAGE: 0.5 Gm. or 8 grains, diluted.