Sodium N-Propyl Xanthate

Other Trading Names: 

  • SNPX

CAS Number: 141-33-3

HS Code: 29309020

Types of Packaging: 

  • 25kgs/bag
  • 850Kg-900 Kg Wooden box
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Availability: In stock
Sodium N-Propyl Xanthate

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Chemical Name

Sodium n-propyl xanthate



Molecular Formula


CAS Number



Yellowish pellets

Grade Standard

Mining Grade, Industrial Grade


Easily soluble in water

Melting Point

Decomposes before melting

Boiling Point

168.6ºC at 760mmHg


1.101 g/cm³

Chemical Description

  • Sodium n-Propyl Xanthate (SNPX), also inaccurately referred to as Sodium Isopropyl Xanthate, is a sodium salt of n-propyl xanthogenic acid. It typically appears as a slight yellow to yellow pellet or powder, possessing a pungent odor similar to that of rotten eggs due to its sulfur content. SNPX is known for its excellent water solubility and forms a slightly alkaline solution when dissolved.
  • In the mining industry, SNPX is a vital flotation agent. It enhances the hydrophobic properties of mineral surfaces, facilitating the separation of valuable sulfide minerals from gangue minerals in flotation processes. This is particularly useful in the extraction of copper, lead, zinc, and gold.
  • Within the rubber industry, SNPX serves as a vulcanization accelerator, contributing to the improvement of the physical properties of rubber products by speeding up the vulcanization process.
  • In chemical synthesis, Sodium n-Propyl Xanthate is utilized as a reagent in the production of various organic intermediates. It participates in reactions that yield thiols, thioethers, and other sulfur-containing compounds, which are essential in the manufacture of pharmaceuticals, agrochemicals, and other specialty chemicals.
  • SNPX also finds application as a collector in the recycling of metals, where its properties help in the recovery of precious metals from scrap materials.
  • Its biodegradability makes SNPX a preferred choice in applications where environmental concerns are paramount. However, it must be handled with care due to its potential toxicity and the risk it poses to aquatic life.
  • Sodium n-Propyl Xanthate's role as a flotation agent not only maximizes the yield of valuable minerals but also contributes significantly to the efficiency and sustainability of mining operations.
  • Despite its effectiveness in various applications, safety precautions are necessary when handling SNPX, including proper storage, use of personal protective equipment (PPE), and adherence to environmental regulations to mitigate its impact on both human health and the environment.
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Sodium N-Propyl Xanthate