Sodium Sulfite Anhydrous Suppliers, Sodium Sulfite Anhydrous Manufacturers.
Property: white gravel or powder crystal,relative density is 1.561, less to dissolve in water and its water solution has alkaline reaction; it is hard to dissolve in ethanol. It is used to produce chloroform, solasulfone and Benzaldehyde in medical industry.
Molecular Formula : Na2SO3
Molecule Weight : 126.04
CAS NO .: 7757-83-7
Appearance : White Free Flowing Fine Crystal or Powder
Specification for Industry Grade and Food Grade :
|
Item
|
Quality Index
|
|
|
Industry Grade
|
Food Grade
|
|
|
Purity ( As Na2SO3 )
|
96.0% min
|
98.0% min
|
|
Sodium sulphate ( SO4 )
|
2.5% max
|
1.5% max
|
|
Chlorides ( As NaCL )
|
0.5% max
|
0.1% max
|
|
Arsenic ( As )
|
-
|
0.0002% max
|
|
Heavy metals ( As Pb )
|
-
|
0.0005% max
|
|
Iron (Fe)
|
0.005% max
|
0.002% max
|
|
Water insolubles
|
0.05% max
|
0.02% max
|
Specification For Photo Grade and Pharmaceutical Grade
|
Item
|
Quality Index
|
|
|
Photo Grade
|
Pharmaceutical Grade
|
|
|
Purity ( As Na2SO3)
|
98.0% min
|
98.0% min
|
|
Sodium sulphate (SO4)
|
1.5% max
|
1.5% max
|
|
Chlorides ( As CL-)
|
0.05% max
|
0.05% max
|
|
Arsenic ( As )
|
0.0002% max
|
2ppm max
|
|
Lead ( As Pb )
|
0.0005% max
|
2ppm max
|
|
Iron (Fe)
|
0.001% max
|
5ppm max
|
|
Selenium (Se)
|
0.0001% max
|
1ppm max
|
|
Zinc ( Zn )
|
0.0001% max
|
|
Company： |
Shandong Xunhua Chemical Co.,Ltd. |
Contact： |
Charles Li |
Phone： |
+86-536-5191398 |
Mobile phone： |
+86-15853656855 |
Fax： |
+86-536-5191398 |
E-mail： |
 Contact Supplier |
Website：
|
http://www.xunhuachem.com |
Address： |
100Meters,West of the Road North Of The Cross Of Shengcheng Street And Yingbin Road,Shouguang Shangdong |
Zip Code： |
262799 |
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