Description

Cesium Bromoiodide is an inorganic halide salt compound of cesium, bromine, and iodine, identified by CAS NO 18278-82-5. This specialized material is valued for its unique combination of heavy alkali metal and halide ions, offering specific properties for advanced research and industrial synthesis. It is primarily sought by manufacturers and researchers in the fields of scintillation crystal growth, specialty inorganic synthesis, and as a precursor in photonic and electronic material development.

Application

• Scintillator and Radiation Detection: A key raw material in the synthesis and doping of complex halide scintillation crystals (e.g., Cesium Lead Bromoiodide variants) used in medical imaging, high-energy physics, and security screening equipment.
• Perovskite Precursor: Serves as a source material in the research and development of mixed-halide perovskite compounds for next-generation solar cells and optoelectronic devices.
• Specialty Inorganic Synthesis: Used as a reagent or intermediate in the preparation of other cesium-based halides and complex inorganic compounds for catalytic and material science applications.
• Spectroscopy and Analytical Standards: Employed in the preparation of calibration standards or matrix materials for various spectroscopic techniques due to its distinct elemental signature.
• Optical Material Research: Investigated for its potential in nonlinear optical materials and photonic crystals owing to its specific refractive properties.

Basic Information

Product Name	Cesium Bromoiodide
CAS No.	18278-82-5
Molecular Formula	CsBrI
Molecular Weight	348.72 g/mol (CsBrI)
Synonyms	Cesium Iodide Bromide; Cesium Iodobromide; Cesium Bromide Iodide; Cesium(1+) bromoiodide; Bromoiodocesium; CsBrI; Cesium halide (BrI)
EINECS	Contact for details

Quality Control

Our Cesium Bromoiodide is produced and handled under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure high chemical purity and consistency, which is critical for sensitive applications like crystal growth and perovskite research. A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic (moisture-sensitive) nature, the product must be stored in a cool, dry place, ideally under an inert atmosphere or in a desiccator to prevent degradation. Recommended storage temperature is 15-25°C. Keep the container tightly sealed when not in use.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR/XRD)	Conforms to reference standard
Assay (CsBrI)	≥ 99.0% (by titration/ICP-OES)
Water (Karl Fischer)	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Chloride (Cl)	≤ 0.1%
Sulfate (SO4)	≤ 0.05%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.