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Specifications

 

 

H.S.Code 28151100
CAS No. 1310-73-2
UN No. 1823 (Corrosive)
Dangerous Class 8.2
Molecular formula NaOH
Molecular wt 40.01
Production standard GB209/93
Type: Caustic Soda 99%min, 98%min, 96%min
Properties: Colorless crystaline with the shape of flake, block, and granula.
Specification:
 
           Items
Best Quality 
( Ion-membrane Process)
First Quality 
(DiaphragmElec-Process)
Sodium Hydroxide %≥
99.5
96.0
Sodium Carbonate%≤
0.5
 0.8
Sodium Chloride %≤  
0.05
0.05 
Ferroso-ferric Oxide %≤  
0.004
0.005
Silicon Dioxide %≤
0.004
0.006
Sodium Sulfate %≤  
0.050
0.070
Copper %≤
0.0002
0.0005
Calcium %≤
0.005
0.008
Application:
1, It is the main raw materials for the production of soap;
2, in the papermaking industry, it can dissolve the impurity of the wood pulp, so that the pure fiber can be available the papermaking;
3, in Textile Industry it can be used in the production of the fabric;
4, in oil refining industry, it is used to remove the acids in the oil and improve the smell and color of the oil & petroleum products.