Strontium Iodide


Mar 13, 2023 ,

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Strontium iodide (SrI2) is an ionic, water-soluble, and deliquescent compound that yellows when exposed to air. It is used in a variety of hand-held radiation detection instruments, as well as medical, industrial and environmental applications.


Originally part of the Alfa Aesar product portfolio, this chemical has now been transitioned to the Thermo Scientific Chemicals brand. It is available in several standard grades, as well as high purity, submicron and nanopowder forms.


Strontium Iodide is used in a scintillation gamma radiation detector. It is also used in a range of hand-held radiation detection instruments, as a precursor material for producing iodine-free scintillation crystals, and in a range of medical, industrial and environmental applications.

Safety Data:

This chemical is a mildly toxic solid, but it does not pose an immediate health hazard unless it is ingested or inhaled. It can be a serious irritant to the skin and eyes, producing redness, black and blue spots, boils, pimples, hives and blisters.


Avoid direct contact with water or moisture. Store in a dry, cool and dark place away from heat sources. This material is corrosive to metals, so it should be stored in an inert gas atmosphere or in an enclosed, non-flammable container.

Special Firefighting Procedures:

In the event of a fire, firefighters should wear full face, self-contained breathing apparatus to prevent contact with strontium iodide and surrounding materials. In addition, they should also wear a protective helmet and gloves to reduce the risk of injury from burns.