Molecular Formula: C6H11KO7 Molecular Weight: 234.25 CAS No.: 299-27-4 Property: white crystal powder or crystal, odorless slightly bitter taste stable in air ,easily soluble in water and glycerine. Specification: USP24 ED Assay (as anhydrous basis)97-103% Loss on drying3% MaxHeavy metal0.002% MaxReducing matter1% MaxSulfate0.005% MaxChloride0.005% Max