Potassium Ethyl Xanthate

PEX, Ethyl Potassium Xanthate

CAS
140-89-6
EC
205-439-3
Sectors
Mining & Metals

Potassium ethyl xanthate is a pale-yellow crystalline powder or liquid with a distinct sulfurous odor. It’s soluble in water and decomposes upon heating or exposure to acids.

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Potassium Ethyl Xanthate

Applications

Primarily used in the mining industry as a flotation collector for sulfide ores such as copper, zinc, and lead. It enhances separation efficiency and recovery rates in mineral beneficiation. Also employed in the synthesis of rubber accelerators, agrochemicals, and lubricant additives.

Safety & Risks

Decomposes to form carbon disulfide, a flammable gas; handle under ventilation. Avoid skin contact and open flames. Classified as hazardous to aquatic environments.

Packaging

Delivered in 25 kg drums, woven sacks, or 1,000 kg IBC tanks with moisture barriers. Store in cool, dry, and well-ventilated conditions away from heat and acids.