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Sodium (Potassium) Butyl Xanthate

CAS Number: 141-33-3
Molecular Formula: C4H9OCSSNa(K)
Structural Formula:

A yellowish or pale grey powder or pellet with a pungent odour, soluble in water and alcohol, It can form insoluble compounds with various of metallic ions.
Principal uses:
Sodium (Potassium) butyl xanthate is a stronger collector.It is used in bulk flotation of various nonferrous metallic sulfide minerals. Sodium (Potassium) butyl xanthate is especially fit for the flotation of chalcopyrite,sphalerite and pyrite.Under the proper conditions, it can be used in the selective flotation of copper sulfide minerals from iron sulfide minerals and in the flotation of sphalerite after activation with copper sulphate.


Item Index
Drying Synthetic
PBX Pellet Powder Powder
Sodium (Potassium) butyl xanthate %≥ 90.0 90.0 84.5
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 110kg/steel drum, 800kg/plywood boxg, 50kg/plastic woven bag 110kg/steel drum, 50kg/plastic woven bag 120kg/steel drum, 50kg/plastic woven bag

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


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