Detailed Product Description Synonms : Tannic acid, Tannin, Gallotannic acid.Molecular Formula: C76H52O46Molecular Weight: 1701.18Application: This product is widely used in smelting if germanium ,manufacuture of Iron ink metal corrosion-resistance,claricant of beer or wine,slime treatment of petroleum drilling and raw material of pharmaceutical industry Storage :Tannic acid should be kept in ...