... , astringency. Dissolves in the water, ethyl alcohol, acetone and ethyl acetate. Technical index:Appearance :Faint yellow or brown non ... acid, burnt gallic acid, sulfonamides. Preparing Gallic acid and burnt Gallic acid in chemical production, mud finishing agent ... agent, dressing inhibitor, wines clarifying agent, germanium extraction and blue-black ink and so on. Packing:25kg/bag,25kg/drum GALLA ...