... 3. Odor: Odorless 4. pH: Not available. Copper Sulfate 98% Chemical name: copper sulfate pentahydrate(Other names: Blue vitriol, Blue store)CAS ... powder, free flowing, and soluble in water, without impurities.Fineness: 20-80 mesh,80 mesh upperExecutive standard: HG2932-1999 Specification:ItemStandard ... of catalysts. (5) Water treatment industry. Low price of Copper Sulfate