104. Acetyltannic Acid

Nomenclature

CAS number: 1397-74-6
Diacetyltannic acid; tannyl acetate; Acetannin; Tannigen.

Description and references

Acetylation of tannin: Ciusa, Sollazzo, Ann. Chim. Appl. 33, 72 (1942); C.A. 38, 57944 (1944).

Properties

Yellowish- or grayish-white odorless powder; darkens on exposure to light. Softens under water at about 70°. Slightly soluble in water or alcohol; sol in ethyl acetate, solns of borax or sodium phosphate, or with gradual decompn in solns of alkali hydroxides and carbonates. Incompat. Alkalies, iron salts.

Therapeutic Category

Astringent (intestinal).

Therapeutic Category (Veterinary)

Astringent (intestinal) for foals, calves, dogs.

Keywords

Antidiarrheal