... metals,soluble in water,ISO9001 certified supplier zinc sulphate hepta ,zinc sulfate hepta is white crystal Zn 18- ... metals,soluble in water,ISO9001 certified supplierProduct Name Zinc sulphate HeptaChemical FormulaZnSO4.7H2OCAS NUMBER7446-20-0Propertitieswhite or ... 1ppm max Usage1 , emetic, supplement, displacement agent 2 , zinc supplement and pesticide; 3 , industrial material ; mordant agent of ...