CAS No.: | 1314-98-3 |
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Formula: | Szn |
EINECS: | 215-251-3 |
Appearance: | Powder |
Classification: | Sn |
Certification: | CCIC |
Customization: |
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Common Name | Zinc sulfide | ||
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CAS Number | 1314-98-3 | Molecular Weight | 97.44500 |
Density | 4.1 g/mL at 25ºC(lit.)31 | Boiling Point | N/A |
Molecular Formula | SZn | Melting Point | 1700ºC |
MSDS | ChineseUSA | Flash Point | N/A |
Density | 4.1 g/mL at 25ºC(lit.)31 |
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Melting Point | 1700ºC |
Molecular Formula | SZn |
Molecular Weight | 97.44500 |
Exact Mass | 95.90120 |
PSA | 32.09000 |
LogP | 0.64570 |
Vapour Pressure | 12600mmHg at 25°C |
Stability | Stable. May react with water to give toxic hydrogen sulfide. Incompatible with acids, strong oxidizing agents. Air and moisture sensitive |
Zinc sulfide (ZnS) is an inorganic compound made up of zinc cations (Zn2+) and sulfide anions (S2-). It is a white to yellowish powder or crystalline solid. Zinc sulfide occurs naturally as the minerals sphalerite and wurtzite, but it can also be synthesized industrially.
Chemical Properties: Zinc sulfide exists in various forms, including the zinc blend (sphalerite) and wurtzite crystal structures. It is insoluble in water but soluble in acids. Depending on the manufacturing process, zinc sulfide can exhibit different properties, such as different shades of yellow or green fluorescence.
Luminescent Properties: Zinc sulfide is well-known for its luminescent properties. It is used as a phosphor material in various applications, including cathode ray tubes (CRTs), X-ray screens, and fluorescent lights. When exposed to certain wavelengths of light or electron bombardment, zinc sulfide emits visible light.
Pigments and Coatings: Zinc sulfide can be used as a pigment in paints, coatings, and plastics. It provides a bright yellow color and is often used in applications where high visibility is desired, such as road signs, safety markings, and textiles.
Semiconductor Applications: Zinc sulfide is a wide-bandgap semiconductor with potential applications in optoelectronic devices. It can be doped with other elements to modify its electrical and optical properties. For example, zinc sulfide doped with copper (ZnS:Cu) is used in the production of blue and green phosphors.
Solar Cells: Zinc sulfide is utilized in the fabrication of thin-film solar cells. It can serve as a buffer layer between the absorber layer and the transparent conductive oxide layer, helping to improve the performance and efficiency of the solar cell.
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