Product Description
Sodium sulfite
Sodium sulfite anhydrous
Molecular formula: Na2SO3
CAS: 7757-83-7
Appearance:
Colorless crystal or powder
Packing:25kg/pp bag
Use:
Industrial mainly used in making sulfite cellulose esters, glucosinolate and sodium, organic chemicals, bleached fabrics etc, also used as reductant, preservative, to chlorine agent.
Sodium sulfite
Sodium sulfite anhydrous
Molecular formula: Na2SO3
CAS: 7757-83-7
Appearance:
Colorless crystal or powder
Packing:25kg/pp bag
Use:
Industrial mainly used in making sulfite cellulose esters, glucosinolate and sodium, organic chemicals, bleached fabrics etc, also used as reductant, preservative, to chlorine agent.
|
Item
|
Top grade
|
First grade
|
Qualified grade
|
|
Sodium sulfide(Na2SO3),%≥
|
99
|
98
|
97
|
|
Water-Insoluble ,%≤
|
0.005
|
0.02
|
0.03
|
|
Chloride(Nacl),%≤
|
0.004
|
0.1
|
0.1
|
|
Sulfate(Na2SO4),%≤
|
1
|
1.5
|
2.5
|
|
Fe,%≤
|
0.002
|
0.003
|
0.003
|
|
Heavy metal (Pb) ≤ %
|
0.001
|
0.002
|
0.002
|