Sodium Fluorosilicate

Sodium fluorosilicate, also known as sodium silicofluoride or SSF, is an inorganic compound with the chemical formula Na2SiF6. It is a white, crystalline powder that is highly soluble in water. Sodium fluorosilicate is commonly used in various industrial applications, including water treatment and as a source of fluoride ions. In water treatment, it is added to public water supplies as a fluoridation agent to promote dental health and prevent tooth decay. Sodium fluorosilicate is also used in the production of glass, ceramics, and as a raw material for other fluoride compounds. It should be handled with care as it can be toxic if ingested or inhaled, and proper safety precautions should be followed during storage, handling, and usage. Its general characteristics are:

  • Chemical Formula: Na2SiF6
  • Physical State: White crystalline powder
  • Solubility: Highly soluble in water
  • Taste: Odorless and tasteless
  • pH: Acidic substance when dissolved in water
  • Density: Approximately 2.68 g/cm³
  • Melting Point: Decomposes above 500 °C (932 °F)
  • Odor: Odorless

Sodium Fluorosilicate Uses in Water Treatment

Sodium fluorosilicate (Na2SiF6) is commonly used in water treatment processes as a fluoridation agent. It is added to public water supplies to provide a controlled release of fluoride ions, which help promote dental health and prevent tooth decay. Sodium fluorosilicate is highly soluble in water, making it an effective source of fluoride ions. By adjusting the concentration of fluoride in water to optimal levels, it aids in strengthening tooth enamel and reducing dental caries. However, it is important to carefully regulate the dosage of sodium fluorosilicate to maintain appropriate fluoride levels and prevent excessive intake, which could lead to fluorosis. Water treatment professionals follow established guidelines and regulations to ensure the safe and effective use of sodium fluorosilicate in water fluoridation programs. Order sodium fluorosilicate from Water Solutions Unlimited.

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