Laizhou City Laiyu Chemical Co., Ltd. was founded in 1984, It was converted from a state-owned enterprise into a private enterprise In 1998. The registered capital achieves is up to twenty million CNY and It covers an area of 60000 square metres.
By making full use of local resources, we successfully developed both inorganic and organic chemicals as below: Magnesium Sulphate, Magnesium Acetate, Magnesium Hydroxide and Sodium Percarbonate; Allyl compounds and Bismaleimide. Especially for Magnesium Sulphate, we are the most professional and outstanding manufacturer, Annual output are 60000MTS . And in 2011, the forecast of our annual output will reach 100000MTS.
Our company works as the globle supplier of many international companies, and most of our products exported to the top markets such as Europe, America, Australia and Japan which all make us earn a highest reputation in the international markets. And now our company have obtained the reputation of "Famous Brand of Shandong Province".
We own a professional and powerful R&D department with a large number of skilled technicians, especially for chemical process and chemical equipment. Now our production process and automatic equipments are all designed by our independent research. We are also capable of providing the technical service for chemical products and chemical equipments
Now our company is thriving on chemical business, and striding forward to the modernization enterprise
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