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Mining Chemicals


SODIUM ETHYL XANTHATE                                   

CAS Number: 140-90-9
Molecular Formula: C2H5OCSSNa
Structural Formula:

A yellowish powder or pellet with a pungent odour, soluble in water. It can form insoluble compounds with metallic ions e.g.: cobalt, copper and nickel etc.


Item Pellet Drying Powder Drying Synthetic
Sodium ethyl xanthate % 90.0 90.0 82.0
Free alkali % 0.2 0.2 0.5
Moisture and volatile % 4.0 4.0 ___
D(mm) 36 ___ ___
L(mm) 515 ___ ___
Period of validity(month) 12 12 6
Packing 50kg/plastic woven bags, 110kg/steel drum, 800kg/plywood box 50kg/plastic woven bag, 120kg/steel drum 130kg/steeldrum, 40kg/plastic woven bag

Storage & transport: To be protected from damp, torrid sunlight and fire.

As a collector, the selectivity of sodium ethyl xanthate is the strongest in xanthate line. It is widely used in the preferential flotation of fine flotability or complex sulfide minerals. It is also used in the flotation of copper, lead oxide ores in conjunction with vulcanizing agents. It is also used as precipitant in hydrometallurgical processes(eg. the refining of zinc electrolyte) and as sulfidation promoter of rubber.


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