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Sodium ethyl xanthate

Sodium ethyl xanthate
CAS Number: 140-90-9
Molecular Formula: C₂H₅OCSSNa
Structural Formula:

Description:
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.

Principal uses:
As a collector, the selectivity of sodium ethyl xanthate is the most strong 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.

Specification:

Item	Drying		Synthetic
Item	Pellet	Powder	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)	3～6	___	___
L(mm)	5～15	___	___
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