Molecular Formula: MgSO4nH2O(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 (MgSO47H2O)
7487-88-9 (MgSO4 )
Specification (Up to USP /BP/CP/EP Standard )
|
Grade
Item
|
MgSO47H2O
|
MgSO45H2O
|
MgSO43H2O
|
MgSO42H2O
|
MgSO4H2O
|
MgSO4
|
|
Appearance
|
White Crystals
|
White powder
Or granule |
White powder
Or granule |
White powder
Or granule |
White powder
Or granule |
White powder
Or granule |
|
Assay %min
|
99.5
|
99
|
99
|
99
|
99
|
98
|
|
MgSO4%min
|
48.59
|
56
|
68
|
76
|
86
|
98
|
|
MgO %min
|
16.20
|
19.00
|
22.70
|
25.30
|
28.60
|
32.60
|
|
Mg % min
|
9.80
|
11.31
|
13.65
|
15.23
|
17.21
|
19.6
|
|
PH(5% Solution)
|
5.0-9.2
|
5.0-9.2
|
5.0-9.2
|
5.0-9.2
|
5.0-9.2
|
5.0-9.2
|
|
Iron(Fe)%max
|
0.0015
|
0.0015
|
0.0015
|
0.0015
|
0.0015
|
0.0015
|
|
Chloride(Cl)%max
|
0.014
|
0.014
|
0.014
|
0.014
|
0.014
|
0.014
|
|
Heavy metal
(as Pb)%max |
0.0006
|
0.0006
|
0.0007
|
0.0007
|
0.0008
|
0.0008
|
|
Arsenic(As)%max
|
0.0002
|
0.0002
|
0.0002
|
0.0002
|
0.0002
|
0.0002
|
Application:It is used in Pharmaceuticals, Food additive, Feed additive, Ferment, Plastics, Fertilizer , Commodity etcs.