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10992 Cesium iodide, 99.999% (metals basis)

CAS Number
7789-17-5
Synonyms

Stock No. Size Price ($) Quantity Availability
10992-14 25g 101.00
10992-22 100g 299.00
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Cesium iodide, 99.999% (metals basis)

MDL
MFCD00010962
EINECS
232-145-2

Chemical Properties

Formula
CsI
Formula Weight
259.81
Form
Crystalline
Melting point
626°
Boiling Point
1280°
Refractive Index
1.7876
Storage & Sensitivity
Hygroscopic. Ambient temperatures.
Solubility
Soluble in water. Soluble in water and ethanol. Slightly soluble in methanol. Insoluble in acetone.

Applications

Cesium iodide is used as an input phosphor in x-ray image intensifier tube of fluoroscopy equipment. It is also used as an equipment for electromagnetic calorimetry in experimental particle physics. It is often employed as a beamsplitter in Fourier Transform Infrared (FT-IR) spectrometers. Cesium iodide is an inorganic scintillator which is mainly used in experimental nuclear physics, high energy physics, nuclear medicine, nuclear tomography, environmental studies and many other fields of use. It is utilized in calorimeters and detectors and also employed as a phosphor in fluoroscopy equipments.

Notes

Hygroscopic. Store in a desiccator to avoid moisture. Incompatible with strong oxidizing agents, strong acids and bases.

Literature References

Rai, R.; Gupta, N.; Jammal, N. F. A.; Singh, B. K. Photoemission and optical constant measurements of a Cesium Iodide thin film photocathode. Nucl. Instrum. Methods Phys. Res., Sect. A 2015, 787, 161-165.

Chen, C. Y.; Chen, S. H.; Chen, C. C.; Lin, J. S. Using positive pressure to produce a sub-micron single-crystal column of cesium iodide (CsI) for scintillator formation. Mater. Lett. 2015, 148, 138-141.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H317-H319-H335-H361

Causes skin irritation. May cause an allergic skin reaction. Causes serious eye irritation. May cause respiratory irritation. Suspected of damaging fertility or the unborn child.

Precautionary Statements: P201-P202-P261-P264b-P271-P272-P280-P302+P352-P304+P340-P305+P351+P338-P308+P313-P333+P313-P337+P313-P362-P501c

Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Contaminated work clothing should not be allowed out of the workplace. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF exposed or concerned: Get medical advice/attention. If skin irritation or rash occurs: If eye irritation persists: Take off contaminated clothing and wash before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Merck
14,2014
Hazard Class
9
Packing Group
III
Harmonized Tariff Code
2827.60
TSCA
Yes
RTECS
FLO350000

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