1.Magnesium sulfate heptahydrate 2.10034-99-8 3.competitive price MAGNESIUM SULFATE CAS NO: 10034-99-8 Molecular Formula: MgSO4.7H2O Molecular weight:246.48.Specification: ItemStandardPurity(As MgSO4)98.00%minChloride0.3%maxIron0.005%maxLoss on drying2%maxInsoluble matter in water0.1%maxPH6-7Package: Knitting bags with plastic liners,25kg, 40kg,50kg per bag Application:Mainly used in fertilizer, ...