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CONTACT US
Company: Choice Chemicals Ltd.
Address: You'a Headquarters Office Building,Chaoyang Front Street, Furong District, Changsha,Hunan Province 410000,China
Mobile: 0086 731 89878447
E-mail: [email protected]
Magnesium sulphate heptahydrate — industrial grade
Information
|
Appearance |
Colourless fine needle or oblique column crystal |
|
CAS NO |
10034-99-8 |
|
EINECS |
242-691-3 |
|
H.S. CODE |
2833.2100.00 |
|
Molecular Formula |
MgSO4.7H2O |
|
Molecular weight |
246.46956 |
Quality Standard
|
Component |
Industrial grade |
Typical |
|
MgSO4.7H2O % |
99.5 min. |
99.58 |
|
MgSO4 % |
48.59 min. |
48.66 |
|
MgO % |
16.20 min. |
16.27 |
|
Mg % |
9.8 min. |
9.87 |
|
Fe (Iron) % |
0.0015 max. |
0.0014 |
|
Cl (Chloride) % |
0.014 max. |
0.012 |
|
Pb (Heavy metal ) % |
0.0004 max. |
0.0001 |
|
S % |
13.0 min. |
13.7 |
|
As (Arsenic) % |
0.0002 max. |
0.00018 |
|
pH |
5 – 8 |
6.6 |
|
Cd % |
0.0002 max. |
0.0001 |
|
Hg % |
0.0001 max. |
0.0001 |
|
Water insoluble % |
0.05 max |
0.01 |
Application
Used in the paper, rayon and silk industries. For example, Magnesium sulfate can be used in the decolorisation of kraft pulp.
Uused for thin cotton printing and dyeing, silk weighting, and product packing of ceiba.
In light industries, it can be used in the production of yeast and monosodium glutamate, as well as act as a stabiliser for Calcium hydrogen phosphate in the toothpaste production process.
In the leather-making industry, it can be used as a filling agent to improve the heat resistance of products.
Packaging & Transportation
Packing: Externally consists of polypropylene woven bags, and internally of paper-plastic composite bags; Kraft paper bags lined with polyethylene plastic bags.
Net weight:25, 50, or 1000kg bags, or customized according to customer requirements.
