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35729 Cesium iodide, ultra dry, 99.998% (metals basis)

CAS Number
7789-17-5
Synonyms

Stock No. Size Price ($) Quantity Availability
35729-03 1g 24.60
35729-09 10g 81.20
35729-18 50g 273.00
35729-30 250g 1019.00
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Cesium iodide, ultra dry, 99.998% (metals basis)

MDL
MFCD00010962
EINECS
232-145-2

Chemical Properties

Formula
CsI
Formula Weight
259.81
Form
-10 Mesh Beads, Ampouled under argon
Melting point
626°
Boiling Point
1280°
Refractive Index
1.7876
Storage & Sensitivity
Hygroscopic. Store under Nitrogen. Ambient temperatures.
Solubility
Soluble in water and ethanol. Slightly soluble in methanol. Insoluble in acetone.

Applications

Cesium iodide is used as a beam splitter in Fourier transform infrared (FT-IR) spectrometers. It is widely used as a scintillator in silicon photodiodes. It is utilized in calorimeters and detectors and also employed as phosphor in fluoroscopy equipments. It finds application in making cell windows and prisms in infrared spectroscopy.

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

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