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Cadmium Bromite
Indium(III) Selenide  (In2Se3)
Chemical Formula: GeI4
CAS Number: 13450-95-8
Molecular Weight: 104.6388
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 N/A
Melting point 144 °C
Boiling point 440 °C

Germanium(IV) iodide (GeI4), not to be confused with germanium(II) iodide (GeI2), is an orange-red solid powder in its pure form, with a crystalline structure. Also known as germanium tetraiodide, this material is produced by heating germanium chloride with potassium iodide, or by introducing iodine vapor to heated elemental germanium.  


Germanium iodide has few major commercial applications, though it is a target of research for its optical and electrical properties like other underutilized germanium crystal compounds.

Semiconductors. While not widely used like other germanium compounds, germanium tetraiodide may be of value in producing specialized semiconductors, or in the creation of germanium compounds of value as semiconducting materials. In particular, research has focused on germanium iodide as a perovskite material, with several researches investigating its potential in solar technology and other fields.

Nanoparticle research. Like many germanium compounds, nanoscience researchers have given special attention to the potential of high purity germanium iodide at nanoparticle scales. 

AHP Materials offers a wide selection of elements and compounds at high to extreme purities. Our standard selection of germanium tetraiodides is 99.999% pure. To inquire about other preparations, or other compounds not on our standard listing, contact us today.

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     AHP Materials, Inc.
    2935 Westhollow Dr., Houston, TX 77082
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