Bismuth tungstate, with the chemical formula Bi2(WO4)3, is a chemical compound composed of bismuth (Bi) and tungsten (W) in a 2:3 ratio. It is a binary compound and a member of the tungstates family.

Key properties and characteristics of bismuth tungstate include:

1. Solid State: Bismuth tungstate is typically a white or yellowish solid at room temperature.
2. Insolubility: Bismuth tungstate is insoluble in water and most common solvents.
3. High Density: Bismuth tungstate has a relatively high density, making it valuable for applications where high-density materials are required.
4. Crystal Structure: Bismuth tungstate crystallizes in the scheelite structure, which contributes to its unique properties and stability.
5. Radiation Sensing: Bismuth tungstate is used as a scintillation material, particularly for detecting and measuring ionizing radiation. Its ability to produce luminescence when exposed to radiation makes it valuable for radiation detection applications.
6. Photocatalysis: Bismuth tungstate has also been studied for its photocatalytic properties, showing potential for applications in water purification and environmental remediation.
7. Biomedical Use: Bismuth tungstate nanoparticles have been investigated for their biomedical applications, such as in drug delivery and cancer treatment.
8. Toxicity: Bismuth tungstate is generally considered non-toxic and biocompatible, which adds to its potential for biomedical applications.

Due to its scintillation and photocatalytic properties, bismuth tungstate has garnered significant interest in various fields, including radiation detection, environmental remediation, and biomedical applications. Its unique characteristics and stability make it a valuable material for specific technological and scientific endeavors. As with any chemical compound, proper safety protocols should be followed when handling bismuth tungstate or any related materials.