... ”3, FCC (1981); FCC-IV " Name: Food Grade Tannic Acid Molecular formula: C76H52O46 Molecular weight: 1701.18 Food Grade ... 1401-55-4 Spc.: BP/AP Name: Pharmaceutical Grade Tannic Acid Molecular formula: C76H52O46 Molecular weight: 1701.18 Pharmaceutical ... brown powder, Quality index: BP 1993, AP1995 . Uses: pharmaceutical tannic acid, used for antimicrobial, treat tinea, detoxify, stop dysenterys, ...