Morton United States Pharmacopeia (USP) salt is a select grade of chemically purified vacuum crystallized salt. This salt is specifically for use in the manufacture of dialysis concentrates and solutions, IV/Saline solutions as well as prescription and over the counter medications. This salt is cubical in structure, clear to white in color, and passes with an extremely high sodium chloride purity over 99.9%. This product meets the standards of the United States Pharmacopeia and is annually certified as kosher. Each lost of USP sodium chloride is open date coded and analyzed to ensure compliance with the highest USP standards.