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 and have exported it for twenty years , also supply contain a little Boron Magnesium sulphate heptahydrate, ever exported to Asia ,Africa etc. CAS No.: 7487-88-9ItemHeptahydrate Fertilizer Monohydrate fertilizer ...