... ) ISO 9001:2008 Company 2) Magnesium Sulphate Heptahydrate 3) HS Code 28332100 Magnesium Sulphate HeptahydrateMolecular Formula: MgSO4nH2O(n=0,1,2 ... (n= 0,1,2,3,4,5,6,7) CAS No: 10034-99-8 (MgSO47H2O)7487-88-9 (MgSO4 ) GradeItemMgSO47H2OMgSO45H2OMgSO43H2OMgSO42H2OMgSO4H2OMgSO4AppearanceWhite CrystalsWhite ... dehydration agent of feed and fertilizer. Magnesium Sulphate Heptahydrate( HS Code 28332100)