Cesium bromide is applied to make radiation detectors and other measuring devices. Cesium bromide has limited application in the deep IR. Cesium bromide is slightly more amenable to optical working than CsI and is sometimes utilized as a beam splitter component in wideband spectrophotometers.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.