... 4. National standard 5. Timely delivery Product name: Copper Sulphate PentahydrateGrade: Inustrial grade,agricultural gradeMolecular formula: CuSO4.5H2OCAS ... , animal medicine field , food ,pigment , chemical , etcSPECFICATIONS : ItemSpecificationsName Copper sulfate 96%Purity96%MinCu24% MinPb0.0015% MaxAs0.0015%MaxChloride0.013 ... % MaxPH3.5-4.5Water Insoluble0.01% Max Copper sulfate 96%min/98%min