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A.C.S. REAGENT CHEMICALS FOR INDUSTRY

S P E C I F I C A T I O N S

SODIUM MOLYBDATE DIHYDRATE
Technical Grade
DESCRIPTION

 Crystalline Sodium Molybdate is represented by the chemical formula Na2MoO4•2H2O. It is also referred to as the dihydrate form. The water solubility at 25° C (77°F) is 39.6 weight percent (76g/100cm3). Water loss and decomposition starts at approximately 100°C (212°F) and the subsequent anhydrous form melts at 686°C (1267°F).

           


CHEMICAL SPECIFICATIONS AND TYPICAL ANALYSIS

 
 

Specification

 
Typical

------------
 
------
Assay (Na2MoO4•2H2O)
99.5% min
99.7 %
 
 
 Insoluble Matter
0.01% max
 
0.005%
 
 
Loss on Ignition
15.34% max
 
14.8 %
 
 
pH of 5% Solution
7.0 to 10.5
 
9.2
 
 

 Sulfate
0.05% max
 
0.015%
 
 
Chloride
0.05%
 
0.005%
 
 
Heavy Metals (as Pb)
0.01%
 
0.002%
 
 
Phosphate
0.03%
 
0.008%
 
 

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