Product Name: Sodium Ethyl Xanthate (NaEX)
CAS Number: 140-90-9
Molecular Formula: C3H5NaOS
Appearance: Clear to pale yellow liquid
Density: Approximately 1.15 g/cm³ at 20°C
Boiling Point: Decomposes before boiling
Solubility: Soluble in water
Melting Point: Below -10°C
pH: Alkaline (pH > 7)
Product Description:
Sodium Ethyl Xanthate (NaEX) is a high-performance reagent designed for use in the mineral processing industry, specifically for the selective flotation of sulfide minerals. It is a synthetically produced organic compound that acts as a collector in the froth flotation process, enhancing the separation efficiency of valuable minerals from gangue materials.
Key Features:
- High Efficiency: NaEX is renowned for its exceptional collecting properties, significantly boosting the attachment of sulfide minerals to air bubbles, thereby facilitating their efficient separation from the ore matrix.
- Environmentally Friendly: Sodium Ethyl Xanthate stands out for its lower environmental impact compared to other xanthate collectors, owing to its biodegradability and reduced toxicity.
- Versatility: Compatible with a wide range of mineral types, NaEX can be seamlessly integrated with other flotation reagents for tailored separation processes.
- Ease of Use: NaEX is simple to handle and mix with water, making it an ideal choice for various flotation systems.
Applications:
- Froth Flotation: Widely employed in the froth flotation of sulfide ores, including copper, lead, zinc, and other valuable minerals.
- Mineral Processing: Enhances mineral separation in the beneficiation process, thereby improving overall recovery rates.
- Research and Development: Used in laboratory settings for pioneering new flotation techniques and exploring mineral surface chemistry.
Safety Information:
- NaEX should be handled with care and used in accordance with established safety protocols.
- Avoid contact with skin and eyes. Use appropriate personal protective equipment (PPE) during handling.
- In case of contact, rinse immediately with plenty of water and seek medical advice if irritation continues.
Storage Conditions:
- Store in a cool, dry, and well-ventilated area, away from direct sunlight and heat sources.
- Keep containers tightly sealed when not in use to prevent contamination and evaporation.


What is Sodium Ethyl Xanthate?
Sodium Ethyl Xanthate (NaEX) is a vital organic compound prominently used as a collector in the mining industry's froth flotation process for sulfide minerals. This essential reagent aids in the efficient separation of valuable minerals from the surrounding waste materials.
How does Sodium Ethyl Xanthate work in froth flotation?
NaEX operates by chemisorbing onto the surface of sulfide minerals, making them hydrophobic. This hydrophobic nature allows air bubbles to adhere to the mineral particles, lifting them to the surface of the flotation cell to form a mineral-rich froth.
Is Sodium Ethyl Xanthate environmentally friendly?
Compared to other xanthates, NaEX is regarded as more environmentally friendly due to its lower toxicity and enhanced biodegradability. Nevertheless, it remains a chemical substance and must be handled with appropriate care.
What are the typical applications of Sodium Ethyl Xanthate?
NaEX is predominantly utilized in the flotation of sulfide ores like copper, lead, and zinc, as well as other valuable minerals. It also finds application in research and development for pioneering flotation techniques.
How should Sodium Ethyl Xanthate be stored?
NaEX should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and heat sources. Ensure that containers are tightly sealed to prevent any contamination or evaporation.
What safety precautions should be taken when handling Sodium Ethyl Xanthate?
When handling NaEX, it is crucial to wear personal protective equipment (PPE) such as gloves and safety goggles. Avoid skin and eye contact. In the event of contact, rinse immediately with water and seek medical attention if necessary.
Is Sodium Ethyl Xanthate compatible with other flotation reagents?
Yes, NaEX is compatible with other flotation reagents like frothers and modifiers, allowing for tailored separation requirements to be met.
What is the pH range for optimal performance of Sodium Ethyl Xanthate?
NaEX exhibits optimal performance in an alkaline environment, typically where the pH is greater than 7.
How can I determine the right dosage of Sodium Ethyl Xanthate for my process?
Determining the optimal dosage of NaEX depends on several factors such as ore type, particle size, and the desired separation efficiency. Conducting small-scale tests is recommended to establish the right dosage for your specific application.
Is there a shelf life for Sodium Ethyl Xanthate?
Although NaEX doesn't have a strict expiration date, its effectiveness may diminish if not stored properly over time. It is advisable to use the product within the recommended storage conditions and within the suggested timeframe.