Sodium Isobutyl Xanthate (Chemical formula: C₅H₉NaOS₂, CAS:25306-75-6), also known as sodium O-isobutyl dithiocarbonate, is a light-yellow to grayish-white powder or granule with a pungent odor, soluble in water and alcohol.
It serves as a potent collector in the flotation of non-ferrous metal sulfide ores (e.g., copper, lead, zinc), particularly effective for mixed or preferential separation of chalcopyrite, sphalerite, and pyrite.
Email address：info@jinmaicn.com Telephone：+86-531-68961020
Sodium Isobutyl Xanthate (Chemical formula: C₅H₉NaOS₂, CAS:25306-75-6), also known as sodium O-isobutyl dithiocarbonate, is a light-yellow to grayish-white powder or granule with a pungent odor, soluble in water and alcohol.
It serves as a potent collector in the flotation of non-ferrous metal sulfide ores (e.g., copper, lead, zinc), particularly effective for mixed or preferential separation of chalcopyrite, sphalerite, and pyrite.
Its collecting power surpasses ethyl and isopropyl xanthates, enhancing the selectivity between sulfide ores and gangue minerals under optimized conditions.The production process utilizing carbon disulfide as an in-situ solvent achieves high purity (≥90%) and yield (≥95%), offering advantages in energy efficiency and environmental compatibility compared to conventional methods.
|
Parameter |
Description |
Value |
|
Chemical Formula |
The molecular formula |
Cu₂H₄N₂OS₂ |
|
CAS Number |
Chemical Abstracts Service registry number |
25306-75-6 |
|
Molecular Weight |
The mass of one molecule of the compound |
172.24 g/mol |
|
Appearance |
Physical state and color |
Light yellow to grayish-white powder or granules |
|
Odor |
Smell characteristic |
Pungent odor |
|
Solubility in Water |
Solubility at room temperature |
Soluble |
|
Density |
Mass per unit volume |
Approx. 1.1 g/cm³ (granular form) |
|
Melting Point |
Temperature at which it changes from solid to liquid |
Decomposes before melting |
|
Boiling Point |
Temperature at which it changes from liquid to gas |
Not applicable (decomposes) |
|
pH |
Measure of acidity or basicity |
Approximately 10-11 (1% solution) |
|
Flash Point |
The lowest temperature at which it can vaporize to form an ignitable mixture in air |
Not applicable (non-flammable) |
|
Stability |
Conditions under which the compound is stable |
Stable under normal temperatures and pressures, sensitive to moisture |
|
Toxicity |
The degree to which a substance can damage an organism |
Toxic if inhaled or ingested, can cause skin and eye irritation |
Sodium isobutyl xanthate (SIBX) has the following primary applications:
（1） Flotation Collector for Sulfide Ores: It serves as a strong and selective collector in the flotation of non-ferrous metal sulfide ores, including copper, lead, zinc, and pyrite. Its efficacy is particularly notable in separating copper sulfides from iron sulfides and recovering activated zinc sulfide ores.
（2） Precipitating Agent in Hydrometallurgy: It is utilized to purify metal ions (e.g., cobalt, copper, nickel) in hydrometallurgical processes, such as zinc electrolyte purification, by forming insoluble complexes with target metal ions.
（3） Rubber Vulcanization Accelerator: As a derivative of xanthates, it acts as a vulcanization accelerator in the rubber industry to enhance the cross-linking efficiency during rubber processing. These applications leverage its chemical reactivity with metal ions and its role in industrial separation and material synthesis processes.
（1） Packaging Requirements: Use hermetically sealed, corrosion-resistant containers (e.g., polyethylene-lined drums or airtight plastic bags) to prevent oxidation and moisture ingress. - Clearly label containers with hazard warnings (e.g., “Flammable Solid,” “Keep Dry”) and regulatory information (CAS No.25306-75-6).
（2）Storage Conditions: Store in a cool, dry, well-ventilated area away from direct sunlight, heat sources, and open flames. Maintain ambient temperature below25°C. - Isolate from incompatible substances, including strong acids, oxidizers, and water-reactive materials.
（3） Handling Precautions: Avoid physical damage to containers to prevent leakage or dust formation. - Implement grounding measures during transfer to mitigate electrostatic discharge risks.
（4） Stability and Shelf Life: Monitor for decomposition signs (e.g., discoloration, odor changes). Degradation products may include carbon disulfide and other hazardous compounds. Limit long-term storage; prioritize first-in, first-out (FIFO) inventory management.
（5）Safety Compliance: Adhere to local regulations for flammable solids (UN3342, Hazard Class4.2) during transportation and storage. - Equip storage areas with spill containment systems and fire suppression equipment (e.g., dry chemical extinguishers).
These guidelines ensure chemical integrity and minimize risks of combustion, hydrolysis, or unintended reactions.
(1) We will ensure the transportation vehicles and related equipment are in perfect condition and meet all safety standards and regulatory requirements.
(2) We will ensure that the speed, route, and driving safety during transportation comply with traffic regulations and customer requirements, avoiding illegal and dangerous driving.
(3) We will ensure that the storage, loading, unloading, cleaning, maintenance, and repair of chemicals during transportation comply with safety regulations and requirements, maximizing the safety and stability of the chemicals.
(4) We will ensure that professional and skilled staff coordinate, operate, and manage the delivery and distribution processes, with effective emergency response and handling measures in place.
(5) We will monitor and track the entire transportation process through tracking records, video surveillance, and ensure timely response and handling of related incidents.
(6) We will adhere to relevant laws and regulations, strictly managing and controlling the transportation of chemicals to ensure their safety.
(1) We will provide timely transportation and delivery according to customer needs, ensuring prompt fulfillment of customer delivery requirements.
(2) We will adhere to transportation schedules, achieving precise delivery, improving delivery efficiency, and offering comprehensive delivery services.
(3) We will establish a complete customer service system, equipped with a professional chemical management team, to ensure delivery times and promptly deal with customer complaints, inquiries, and other issues.
