... 7.Usage: main material of gallic acid, , sulfanilamide medicine; extract gallic acid and pyrogallol in chemical industry. mud treater ... -4 Spc.: BP/AP Name: Pharmaceutical Grade Tannic Acid Molecular formula: C76H52O46 Molecular weight: 1701.18 Pharmaceutical Grade ... , Quality index: BP 1993, AP1995 . Uses: pharmaceutical tannic acid, used for antimicrobial, treat tinea, detoxify, stop dysenterys, also ...