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 CITRIC ACID FINE GRANULAR USP FOOD GRADE Citric Acid fine granular, is a  widely used weak organic acid. It is  found in  many foods nad beverages and in many commercial and industrial processes and technical applications. In food, it is popular since it adds a 'sour' taste or "ZING"  to products, especially candies and confectionaries.  In  chemical processes it is used as a weak acid, and to lower pH.  Around the home citric acid is used in cleaners as a weak chelate or to reduce the pH in cleaners where acidity adds the ability to help eliminate surface grime and  mineral deposits for example.  Typical Uses  of citric acid, both granular and in solution are: Food, Candy, Confectionary Beverages (pH) Water and wastewater pH adjustments Water conditioning Pet/Animal Feed Oil Well Cementing pH Control Chelate The CAS number is  77-92-9 Synonyms: of citric acid are , sour salt, and just "c itric" Appearance: White Crystalline Fine Granular Formula - C6H8O7 S