Molecular Formula: NaOH  

CAS number: 1310-73-2

 

Specifications:

ITEM

Best Quality
(Ion-membrane Process)

First Quality
(Diaphragm Elec-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

1). used as the most common paint stripper on wooden objects.

 

2). used in conjunction with zinc for creation of the famous "Gold pennies" experiment.

 

3). used in the refining of alumina containing ore (bauxite) to produce alumina (aluminum oxide)                               which is the raw material used to produce aluminum metal via the smelting process.

 

4).used in soap making (cold process soap, saponification).

 

5).Food uses of sodium hydroxide include washing or chemical peeling of fruits and vegetables

6).used in the home as a drain cleaning agent for clearing clogged drains.

 

7).used as a cleaner in breweries, where it is simply called "caustic".