Specification :

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

Appea rance
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
0.00 15
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.