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Sodium Amyl Xanthate

Sodium Amyl Xanthate in Tradeasia

IUPAC Name

Sodium Amyl Xanthate

Cas Number

7607-99-0

HS Code

29.309.020

Formula

C5H11OCSSNa

Industry

-

Basic Info

Appearance

White Solid

Common Names

SAX

Packaging

200 @ 110 kg steel drums, 22 MT/20 FCL

400 @ 50 kg plastic woven bag, 20MT/20FCL

Brief overview

Sodium amyl xanthate (SAX) is a yellow salt with a pungent odour. It is an organ Sulphur compound with the formula ROCS2-M+. Xanthate salts are produced by the reaction of an alcohol with sodium or potassium hydroxide and carbon disulfide. The reaction involves the attack of the alkoxide salt.

ROH + CS2 + NaOH ROCS2Na + H2O

It is soluble in water and decomposes easily when reacted with acid and heat.

 

 

Manufacturing Process

Xanthate salts are produced by the reaction of an alcohol with sodium or potassium hydroxide and carbon disulfide

ROH + CS2 + KOH ROCS2K + H2O

The reaction involves the attack of the alkoxide salt. For example, sodium ethoxide gives sodium ethyl xanthate. Virtually any alcohol can be used in this reaction. Technical grade xanthate salts are usually of 90–95% purity. Impurities include alkali-metal sulfide, sulfate, trithiocarbonates, thiosulfate, sulfite, or carbonate as well as residual raw material such as alcohol and alkali hydroxide. These salts are available commercially as powder, granules, flakes, sticks, and solutions are available.

Some commercially important xanthate salts include:

Sodium amyl xanthate (SAX), C5H11OCSSNa

sodium ethyl xanthate (SEX), CH3CH2OCS2Na,

potassium ethyl xanthate, CH3CH2OCS2K,

sodium isopropyl xanthate (SIPX)

sodium isobutyl xanthate (SIBX)

potassium amyl xanthate (PAX)

Mineral Industry
Sodium amyl xanthate is the most powerful collector of xanthates and is widely used in the flotation treatment of sulphide ores, especially for the flotation treatment of copper-nickel composite sulphide ores and gold mines related to pyrite. It is used in the flotation process of non-ferrous metal minerals, where strong but not selective collectors are required.


Other Applications
It is used in hydrometallurgical processes and applicable as a vulcanization accelerator for rubber industry.

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