CAS Number:

Other Trading Names:

  • Aero 317 Xanthate
  • NAX-41

Type of Packaging :

  • 180 Kg sealed drums
  • 900Kg wooden boxes

HS Code:


Chemical appearance:
Sodium Isobutyl Xanthate (SIBX) is available in the form of pale-yellow crystals or powdered form in the pure state. It is also available in the form of a solution. In the solid form, SIBX absorbs moisture from the air, and so, it is known as a hygroscopic substance. SIBX emits the odor of carbon disulfide that is somewhat the same as that of decaying cabbage. In some cases, SIBX can emit a very faint unpleasant, or sulfurousodor. SIBX is readily soluble in water and could form insoluble compounds with different metallic ions.

Chemical application and strengths:

    • The uses of Sodium Isobutyl Xanthate (SIBX) as a collector are widely known. It is a credible flotation reagent for different nonferrous metallic sulfide ores. It is primarily implemented for the flotation of copper, lead, zinc sulfide ores as well as the sulfide ores of other precious metals. However, the strength of SIBX as a flotation reagent has been largely evident in the case of the flotation of copper ores and pyrites. The primary structure of SIBX as a xanthate is the notable reason for its effectiveness as a collector in the flotation process for sulfide ores.


  • The other trivial applications of Sodium Isobutyl Xanthate (SIBX) are evident in its use for curing and vulcanization of rubber. SIBX serves as a promising antioxidant for rubber. Furthermore, SIBX also finds applications as a fortifying agent for specific oils as well as in analytical procedures. The properties such as odor and sulfur content of SIBX also make it an ideal choice for herbicides, fungicides, and pesticides. Furthermore, SIX is also used in the froth flotation process for soils contaminated with mercury and also as a high-pressure lubricant additive.
Index Specification (Dry Pellet)
Active Component ≥90%
Free Alkali ≤0.2%
Moisture and Volatility ≤4.0%
Solubility Water Soluble


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