Potassium Isopropyl Xanthate
Molecular weight: 174.33
Appearance: White to pale yellow crystalline powder or granules, possessing a pungent sulfurous odor.
Solubility: Highly soluble in water; soluble in ethanol and acetone. Aqueous solutions are weakly alkaline.
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potassium Isopropyl Xanthate
Molecular formula: C₄H₇KOS₂
Molecular weight: 174.33
Appearance: White to pale yellow crystalline powder or granules, possessing a pungent sulfurous odor.
Solubility: Highly soluble in water; soluble in ethanol and acetone. Aqueous solutions are weakly alkaline.
Stability: Stable under dry conditions at ambient temperature; highly hygroscopic. Decomposes upon contact with strong acids to release toxic carbon disulfide (CS₂); decomposition is accelerated by high temperatures and high humidity.
Density: Approximately 1.132 g/cm³; Melting Point: Approximately 264°C (with decomposition).
Characteristics: Exhibits moderate collecting power and excellent selectivity; possesses good solubility at low temperatures, making it suitable for mineral processing in cold regions.
Quality Specifications (Industrial Grade)
Potassium Isopropyl Xanthate Content: Grade 1 ≥ 90.0%; Qualified Grade ≥ 85.0%.
Free Alkali (KOH): ≤ 0.2%.
Moisture and Volatiles: ≤ 4.0%.
Safety, Storage, and Transport
Hazard Characteristics:
Irritant; highly hygroscopic (readily absorbs moisture); releases toxic \(\mathrm{CS_2}\) upon contact with acids; combustible; decomposes at high temperatures to emit sulfur-containing fumes.
Storage:
Store in a cool, dry, and well-sealed environment; protect from moisture and direct sunlight; keep away from strong acids and oxidizing agents. Shelf life: 6 months.
Transport:
Handle in accordance with regulations for general industrial chemicals; protect from rain and direct sunlight; strictly prohibit co-transportation with acidic materials.
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