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HS Code |
938508 |
| Chemical Name | Potassium Sulfide |
| Chemical Formula | K2S |
| Molar Mass | 110.26 g/mol |
| Appearance | Colorless crystalline solid |
| Density | 1.8 g/cm3 |
| Melting Point | 840 °C |
| Boiling Point | Non-volatile; decomposes |
| Solubility In Water | Highly soluble |
| Cas Number | 1312-73-8 |
| Odor | Rotten egg (due to H2S release) |
| Ionic Character | Ionic compound |
| Ph In Aqueous Solution | Strongly alkaline |
| Refractive Index | 1.540 |
| Stability | Reacts with moisture and CO2 |
| Color In Air | Yellowish on exposure to air |
As an accredited Potassium Sulfide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Potassium Sulfide, 500g: Sealed amber glass bottle with secure screw cap, hazard labeling, batch details, and safety instructions clearly displayed. |
| Shipping | Potassium sulfide should be shipped in tightly sealed, moisture-resistant containers, clearly labeled and in accordance with local, national, and international regulations. It is classified as hazardous; handle with care to prevent exposure to air or moisture, and avoid contact with acids. Transport by ground, air, or sea requires proper documentation and hazard labeling. |
| Storage | Potassium sulfide should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from moisture and acids. It must be kept away from oxidizing agents and incompatible substances. The storage area should be clearly labeled, with access restricted to trained personnel, as the compound is hygroscopic and releases toxic hydrogen sulfide gas on contact with water. |
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Purity 99%: Potassium Sulfide purity 99% is used in analytical chemistry laboratories, where high purity ensures accurate and reliable analytical results. Molecular Weight 110.26 g/mol: Potassium Sulfide molecular weight 110.26 g/mol is used in reagent preparation, where precise stoichiometry enables consistent synthesis outcomes. Particle Size <50 µm: Potassium Sulfide particle size <50 µm is used in pigment manufacturing, where fine particle dispersion improves color uniformity and intensity. Melting Point 840°C: Potassium Sulfide melting point 840°C is used in high-temperature metallurgy, where thermal stability allows efficient metal extraction processes. Stability Temperature up to 400°C: Potassium Sulfide stability temperature up to 400°C is used in sulfur dye production, where resistance to decomposition ensures product integrity. Solubility 58 g/L (20°C): Potassium Sulfide solubility 58 g/L (20°C) is used in chemical synthesis applications, where efficient dissolution increases reaction speed and completeness. Reactivity Grade: Potassium Sulfide reactivity grade is used in inorganic synthesis, where high reactivity enhances the yield and selectivity of target compounds. Odor Threshold <0.002 ppm: Potassium Sulfide odor threshold <0.002 ppm is used in odorant formulation studies, where detectability at low concentrations supports safety and detection standards. Moisture Content <0.5%: Potassium Sulfide moisture content <0.5% is used in battery electrode manufacturing, where low moisture prevents degradation and ensures consistent electrochemical performance. Bulk Density 1.8 g/cm³: Potassium Sulfide bulk density 1.8 g/cm³ is used in blended powder processing, where high density allows even mixing and efficient material handling. |
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