Sodium Butyl Xanthate CAS 141-33-3 Flotation Chemical for Mining Process Beneficiation Reagent

Product Name: Sodium Butyl Xanthate (SBX)

CAS Number: 140-00-7 (for the generic xanthate compound)

Molecular Formula: C6H11O2S (with the sodium counterion)

Appearance: Colorless to pale yellow liquid

Density: Approximately 1.03 g/cm³ at 25°C

Boiling Point: Decomposes upon heating; not volatile

Melting Point: Below -20°C

pH: Alkaline (pH > 7 in aqueous solution)

Solubility: Soluble in water

Product Description:

Sodium Butyl Xanthate (SBX) is a highly effective flotation collector predominantly used in the mineral processing industry. This exceptional reagent enhances the separation of precious minerals from gangue material through the froth flotation technique. As an organic sulfur compound, SBX adheres to the surface of mineral particles, rendering them hydrophobic and facilitating their selective collection in the froth phase.

Key Features:

• High Efficiency: SBX significantly boosts the selective flotation of sulfide and various other minerals, thereby heightening the efficiency of mineral recovery processes.
• Versatility: SBX is compatible with a myriad of ore types and can be utilized in conjunction with other flotation reagents to customize separation processes.
• Stability: Demonstrates remarkable stability across a wide range of pH conditions, making it adaptable to different flotation environments.
• Environmental Consideration: Despite the necessity for cautious handling, SBX is biodegradable and presents a lower environmental impact compared to many other collectors.

Applications:

• Froth Flotation: Extensively employed in the flotation of non-ferrous and precious metal ores, such as copper, lead, zinc, among others.
• Mineral Processing: Enhances the efficiency of mineral beneficiation processes, leading to elevated recovery rates and improved purity of the final product.

Safety Information:

• Use appropriate personal protective equipment (PPE), including gloves, safety goggles, and a mask, when handling SBX.
• Avoid contact with skin and eyes. In case of contact, flush immediately with plenty of water and seek medical advice if necessary.
• Ensure good ventilation to prevent inhalation of vapors or dust.

Storage Conditions:

• Store in a cool, dry, and well-ventilated area away from direct sunlight and heat sources.
• Keep containers tightly sealed to maintain product integrity and prevent contamination.

What are xanthate compounds?

Xanthate compounds are a specialized class of organic sulfur chemicals, predominantly utilized as flotation collectors in the mining and mineral processing sectors. These compounds significantly enhance the separation process by making valuable minerals hydrophobic, thus enabling their attachment to air bubbles and effectively distinguishing them from waste materials.

How do xanthates work in froth flotation?

Xanthates function by chemically adsorbing onto the surfaces of mineral particles, turning them hydrophobic. When air and water are present, this property causes mineral particles to attach to air bubbles. These bubbles rise to create a mineral-rich froth at the surface, which can then be easily separated from the remaining liquid and waste substances.

What are the common types of xanthates used in industry?

The industry widely uses various types of xanthates such as Sodium Ethyl Xanthate (SEX), Sodium Isopropyl Xanthate (SIPX), Sodium Butyl Xanthate (SBX), and Sodium Isoamyl Xanthate (SIX). Each variant is tailored with specific properties that suit different types of ores and flotation environments.

Which factors influence the choice of xanthate for a particular application?

The selection of a suitable xanthate is influenced by factors such as the type of ore being processed, the required mineral recovery rate, the pH level of the flotation medium, and compatibility with other flotation reagents.

What safety precautions should be taken when handling xanthates?

When handling xanthates, it is crucial to wear personal protective equipment (PPE), including gloves, safety goggles, and masks. Ensure usage in well-ventilated spaces to avoid inhaling vapors or dust. In case of skin or eye contact, promptly rinse with plenty of water and seek medical attention if necessary.

How should xanthates be stored?

Xanthates should be stored in a cool, dry, and well-ventilated environment, away from direct sunlight and heat sources. Ensure containers are tightly sealed to prevent contamination and evaporation.

What is the role of xanthates in the pharmaceutical industry?

In the pharmaceutical industry, xanthates serve as intermediates in the synthesis of certain drugs and act as chelating agents in the development of metal-based pharmaceuticals.

Can xanthates be used in applications other than mining?

Absolutely, xanthates find applications beyond mining. They are used as accelerators in the rubber industry, for dye fixation in the textile industry, and as biocides in water treatment processes.

How do I determine the correct dosage of xanthate for my process?

Determining the optimal xanthate dosage involves considering factors like the type of ore, particle size, and the desired efficiency of separation. Performing small-scale tests is recommended to identify the precise dosage required for your specific application.