Spectrum Chemical carries a wide selection of Gallic Acid Anhydrous among its inventory. This phenolic acid also goes by the name of 3,4,5-trihydroxybenzoic acid anhydrous and can be found in tea leaves, sumac and other similar sources. It is a white to off-white solid and is slightly soluble in water. It should be stored in a cool and dry area protected from light, heat and moisture.