Physical Properties of Cesium Tungstate (Cs₂WO₄)

Cesium tungstate (Cs₂WO₄) exhibits the following notable physical properties:

  1. Appearance and Form
  • Color: Typically white.
  • Form: Odorless powder.
  1. Solubility
  • Cesium tungstate is soluble in water and can react under acidic or basic conditions. This solubility and reactivity make it usable in aqueous as well as acidic and basic environments.
  1. Melting Point
  • It has a relatively high melting point of about 350°C, meaning it retains solid structure stability until higher temperatures are reached.
  1. Density
  • While specific density values may vary depending on sources or conditions, density is a fundamental property of cesium tungstate and can be determined under controlled conditions.
  1. Additional Physical Properties
  • Optical Properties:
    Cesium tungstate has strong absorption in the near-infrared range, high transparency in the visible spectrum, and effective UV shielding, which makes it valuable in optical applications.
  • Stability:
    Under standard temperature and pressure, cesium tungstate is stable. However, exposure to moisture, acids, or bases may induce reactions, potentially impacting its stability.
  1. Storage Conditions
  • Cesium tungstate should be stored in a sealed, cool, ventilated, and dry environment to prevent moisture absorption or exposure to acidic or basic substances. Storage should also be distant from heat or fire sources.
  1. Safety Considerations
  • Due to its acute toxicity, cesium tungstate may cause skin or eye irritation. Safety protocols should be strictly followed to avoid direct contact with the body.

In summary, cesium tungstate, as an inorganic functional material, exhibits a range of advantageous physical properties that make it valuable across several applications. However, care must be taken to manage its stability and safety during use and storage.

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