Tannin Albuminate, Exsiccated, Knoll.—Light-brown, odorl., tastel. powd.; contains 50% tannin.—Sol. in alkaline, insol. in acid fluids.—Intestinal Astringent and Antidiarrheal. Not acted upon in stomach, but slowly and equably decomposed in the intestines; thus causing no gastric disturbance, while gently yet firmly astringent on entire intestinal mucosa. Innocuous, and without by- or after-effects.—Dose: 45—150 grn. daily, in 15—30 grn. portions. In urgent acute cases repetition in 2- or even 1-hourly intervals has proved useful for promptly creating the first impression, the frequency being decreased with the improvement. The dose for nurslings is 5—8 grn.; for children, up to 15 grn.—["Merck's Digest" on "Tannalbin" contains clinical reports and detailed information.]

Tannigen.

Acetyl-tannin.—Gray, slightly hygrosc. powd.; alm. odorl. and tastel.—Sol. in alkaline fluids, alcohol; insol. in water.—Intestinal Astringent. Dose: 5—15 grn.

Tannin,—see Acid, Tannic.

Tannoform.

Tannin-formaldehyde, Merck.—Loose, reddish powd.—Sol. in alkaline liqs.; insol. in water.—Siccative Antiseptic and Deodorant.—Uses: Hyperidrosis, bromidrosis, ozena, etc.—Applied pure or in 25—50% triturations.—[Further information in "Merck's Digest" on "Tannoform," containing clinical reports.]

Tannopine.

Hexamethylene-tetramine-tannin.—Brown, sl. hygrosc. powd.; 87% tannin.—Sol. in dil. alkalies; insol. in water, alcohol, or dil. acids.—Intestinal Astringent.—Dose: 15 grn., several t. a day; children 3—8 grn.

Tar—U.S.P.

Preparations: Oint. (50 per cent.); Syr. (D., 1—4 drams).