... ,White or pale yellow fine powder 3. for pharmaceutical, food,feed industries Model No.:CHE-013Product NameGallic AcidPurity99%OriginChinese Nut-gallCAS ... industry (such as in the synthesis of trimethoprim), food and feed industries, ink dyes, photography, and paper manufacturing industries.StoragePlease keep ... .Why not choose us to be your reliable supplier? Medicine grade Gallic Acid