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Cadmium Bromite
Indium(III) Selenide  (In2Se3)

Bismuth Iodide(BiI3) 

Chemical Formula: BiI3
CAS Number: 7787-64-6
Molecular Weight: 589.69
EC Number: N/A


Purity Available in  99.99%, 99.999%
Shape and particle size Available in powder
Packaging It is packed with Dacron film, then covered with a sealed plastic film bag.
Refractive index N/A
Density 5.778g/cm3
Melting point N/A
Boiling point N/A

An inorganic compound which appears in pure form as a grey-black solid, bismuth iodide (BiI3) is notable for its distinctive crystalline structure. Also known as bismuth(III) iodide or bismuth triiodide, the compound is typically produced either by heating iodine and bismuth powder or through the reaction of hydroiodic acid with bismuth oxide.


The primary uses of bismuth iodide relate directly to its chemical reactions, it’s unique crystal structure, and research into cutting-edge photovoltaic materials. 

  • Chemistry. Most applications of bismuth iodide involve pursuit of more valuable chemicals and materials. Notably, it can be heated with halide donors to produce iodobismuth(III) anions.
  • Perovskite materials. Used to produce certain perovskite materials, in particular methylammonium bismuth iodide or MBI, a lead-free zero-dimensional perovskite.
  • Photovoltaics. Some research into perovskite materials suggests commercially viable applications for bismuth iodide related to photovoltaics and solar cell technology. Research is still early on the potential.
  • Inorganic analysis. BiI3 was once a material of significant interest in qualitative iorganic anaylsis, but it has fallen out of favor in most applications. Nonetheless, it still has some value in analysis and for identifying specific chemical presences in water. 

AHP Materials offers bismuth iodide at 99.999% purity as part of our standard catalog of high-purity elements and compounds. To place an order, or to inquire about custom orders of items not in our catalog, contact AHP today.

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