202134

Cesium iodide

99.9% trace metals basis

• Synonym(s): Caesium iodide, Caesium monoiodide
• Empirical Formula (Hill Notation): CsI
• CAS Number: 7789-17-5
• Molecular Weight: 259.81
• EC Number: 232-145-2
• MDL number: MFCD00010962
• UNSPSC Code: 12352302
• PubChem Substance ID: 24852041
• NACRES: NA.23

Properties

• Quality Level: 100
• Assay: 99.9% trace metals basis
• form: powder
• impurities: ≤1500.0 ppm Trace Metal Analysis
• mp: 626 °C (lit.)
• density: 4.51 g/mL at 25 °C (lit.)
• SMILES string: [I-].[Cs+]
• InChI: 1S/Cs.HI/h;1H/q+1;/p-1
• InChI key: XQPRBTXUXXVTKB-UHFFFAOYSA-M

Description

Application

Cesium iodide (CsI) can be used as a cathode for the fabrication of field emission cathodes for potential usage in high power microwave systems. It can also be used to form an interface layer between the blocking layer and the perovskite active layer to improve the photovoltaic performance and stability of solar cells.

Features and Benefits

Frequently used in devices such as phosphor screens for medical imaging, scintillators, calorimeters and a variety of particle detectors.

Safety Information

• Pictograms: GHS08,GHS09
• Signal Word: Warning
• Hazard Statements: H361fd,H400
• Precautionary Statements: P202 - P273 - P280 - P308 + P313 - P391 - P405
• Hazard Classifications: Aquatic Acute 1 - Repr. 2
• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 2
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves