Ammonium Hexafluorosilicate Description:
Ammonium Hexafluorosilicate, with the chemical formula (NH4)2SiF6, is characterized by its distinctive properties. It appears as a white crystalline solid, soluble in water and insoluble in most organic solvents. This compound is notable for its ability to release fluoride ions when dissolved in water, making it valuable in water fluoridation processes for dental health. Ammonium Hexafluorosilicate also serves as a precursor in the synthesis of other fluoride compounds and finds applications in the manufacturing of ceramics and specialty glasses. Its chemical stability and reactivity contribute to its versatility in various industrial and research applications.
Ammonium Hexafluorosilicate Specifications:
CAS Number
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16919-19-0
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Molecular Formula
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(NH4)2SiF6
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Molecular Weight
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178.15
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Appearance
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White powder
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Density
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2.01 g/cm3
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Ammonium Hexafluorosilicate Applications:
1. Water Fluoridation: Used as a fluoridating agent in water treatment processes to enhance dental health by preventing tooth decay when added to public water supplies within recommended levels.
2. Metal Surface Treatment: Employed as an additive in metal surface treatment solutions to provide corrosion resistance and improve surface properties.
3. Glass Manufacturing: Utilized as a flux in glass manufacturing processes to reduce the melting point of silica and improve the flow characteristics of molten glass, aiding in the production of specialty glasses.
4. Ceramics Production: Used as a flux or opacifier in ceramic glazes and enamels to enhance the appearance and properties of ceramic materials.
5. Chemical Synthesis: Acts as a precursor in the synthesis of other fluoride compounds and silicon-containing chemicals used in various industrial processes.