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