Molecular formula: MgSO4 · nH2O (n=0,1,2,3,4,5,6,7)
Molecular weight: 120.37+18n (n= 0,1,2,3,4,5,6,7)
CAS No: 10034-99-8 (MgSO4·7H2O) 7487-88-9 (MgSO4 ) 15320-30-6 (Dried MgSO4)
14168-73-1 (MgSO4·H2O)
Test method: HG/T 2680-2017
Item | Specification | |
Magnesium sulpahte | (Calculated as MgSO4·7H2O) w/% ≧ | 99~99.5 |
(Calculated as Mg) w/% ≧ | —— | |
(MgSO4)(on dry basis) w/% ≧ | —— | |
Chloride(Cl) w/% ≦ | 0.05 | |
Ferrous(Fe) w/% ≦ | 0.0015 | |
Water insoluble w/% ≦ | 0.01 | |
Heavy metals(As Pb) w/% ≦ | 0.001 | |
pH (50g/L solution) | 5.0~9.5 | |
Loss on ignition w/% ≦ | 48.0~52.0 |
Usages:
Accessory ingredient for ABS and PVC resin
Printing industry,used for incresing the coloring degree of ink formulations
Used for whiten deinked pulp of waste newspaper,dispose printing and dyeing waste water
Desiccant,used for drying organic solvents
Used for synthesizing organic sulfide and magnesium stearate
Remove snow on highway and airport
Construction industry,used for increasing antifreeze capacity of concrete