Bismuth Fluoride (BiF3) Powder, CAS 7787-61-3

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Bismuth Fluoride (BiF3) Powder is a white crystalline compound that is capable of volatilizing at higher temperatures without undergoing decomposition. It is primarily employed in the preparation of bismuth pentafluoride. 

Bismuth Fluoride (BiF3) exists in two forms, α and β, which can be converted to the β type by heating it to 220℃. It has a melting point ranging from 725 to 730℃. When heated to 900℃, significant evaporation occurs. It is insoluble in water and hydrogen fluoride solutions. By hydrolysis with excess hydrogen fluoride acid, bismuth hydroxide acid BiF3·2HF can be produced, which can further be heated to form BiOF·2HF. Upon further heating, it transforms into BiF3 and BOF.

• Density (g/mL,25/4℃): 8.3
• Melting point (ºC): 725~730
• Refractive index: 1.74
• Solubility: dissolved in hydrofluoric acid, dissolved in inorganic acid, almost insoluble in water

Bismuth Fluoride (BiF3) Powder Chemical Analysis

Bismuth Fluoride (BiF3) Powder XRD

Bismuth Fluoride (BiF3) Powder Applications

• Used as an essential component in the production of optical coatings for lenses, mirrors, and other optical devices.
• Used as a fluxing agent in metallurgical processes, mainly in the production of non-ferrous metals.
• Used as a component in glasses to enhance their refractive index and improve their mechanical properties.
• Used as a precursor in the synthesis of various bismuth compounds, including bismuth oxyfluorides, bismuth vanadate, and bismuth titanate.
• Used as a catalyst in various chemical reactions, including esterification and transesterification reactions.
• Used as a contrast agent in medical imaging, particularly in X-ray computed tomography (CT) scans.

Bismuth Fluoride (BiF3) Powder Storage and Packing

Bismuth Fluoride (BiF3) Powder should be stored in a sealed container in a dry and cool environment. Vacuum packaging options include 50g, 100g, 500g, and 1kg quantities, available in plastic bottles, outer cartons, or plastic barrels. The product will be accompanied by MSDS (Material Safety Data Sheets) and Material Certification Sheets.