Magnesium sulphate CAS NO.7487-88-9 hepta, monohydrate,powder ,granule fertilizer ,food ,industry grade 20'Fcl: 26MTS Magnesium sulphate ... We can supply many kinds of Magnesium sulphate ... years , also supply contain a little Boron Magnesium sulphate heptahydrate, ever exported to Asia ,Africa etc. ...