Grade : technical. ..HS Code : 28332990.. CAS NO : 7446-197 .. Chemical Formula: ZnSO4.H2O Chemical Properties : Appearance: Dry free flowing white powder Assay : 98% min Matter insoluble in water: 1%max Zinc content (As Zn) :33%min pH (5% Solution) : 4.0min Sulphur content (as S) :15% min Magnesium content (as Mg) :0.50 % min
