Detailed Product Description Chemical Name: 3,4,5 -Trihydroxy Benzoic AcidPhysical Properties: White or grayish white crystal ... (JIS) Standard (First Grade), 21st edition of USA Pharmacopoeia (Top-Class Product).Uses: Widely in such industries as pharmaceuticals, dyes, chemicals ... well as in the analysis of rare metals.GALLIC ACID,3,4,5 -Trihydroxy Benzoic Acid,CHEMICAL phosphoric acid