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Merck
CN

940127

Cesium chloride

≥99.5 (titration), ≥99.9 trace metals basis

Synonym(s):

Caesium chloride, Cesium monochloride

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About This Item

Linear Formula:
CsCl
CAS Number:
7647-17-8
Molecular Weight:
168.36
UNSPSC Code:
12352200
MDL number:
MFCD00010955
NACRES:
NA.22
Assay:
≥99.5% (with AgNO3, titration)
≥99.9 trace metals basis
Form:
powder or crystals

Key Documents

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Product Name

Cesium chloride, ≥99.5 (titration), ≥99.9 trace metals basis

InChI key

AIYUHDOJVYHVIT-UHFFFAOYSA-M

InChI

1S/ClH.Cs/h1H;/q;+1/p-1

SMILES string

[Cl-].[Cs+]

assay

≥99.5% (with AgNO3, titration)
≥99.9 trace metals basis

form

powder or crystals

impurities

≤1500 ppm (trace metals analysis)

mp

200 °C
645 °C (lit.)

density

2.19 g/cm3

cation traces

K: ≤0.05%
Li: ≤50.0 ppm
Mg: ≤1.0 ppm
Na: ≤0.1%
Ni: ≤1.0 ppm
Pb: ≤1.0 ppm
Rb: ≤0.1%

application(s)

(Energy)

Quality Level

200

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Application

Cesium chloride can be used: -As crystal seeds to enhance the coverage of the CH3NH3PbI3−xClx absorber layer in perovskite solar cells. It helps to boost the power conversion efficiency of solar cells.[1] -As a medium to synthesize N and P-codoped carbon nanospheres for application in fuel cells and zinc-air batteries.[3] -To fabricate silicon nanopillars for solar cells, batteries, light-emitting diodes, etc.[4] -To enhance the thermal stability of polyoxometalates(used as electrode materials for lithium-ion batteries).[2] -To synthesize the lead-free halide double perovskite Cs2AgInCl6 with excellent moisture, light, and heat resistance. This material shows great potential for various optoelectronic applications, including photovoltaics.[5]

General description

Cesium chloride is a highly water soluble crystalline solid withhigh refractive index and dielectric properties. It is widely used in the field of solid oxide fuel cells and lighting devices.[1,2]

pictograms

Health hazard
GHS08

signalword

Warning

hcodes

H361f

Hazard Classifications

Repr. 2

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
0000512107
0000511112
0000511112
0000506047
0000506047

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Study of Polyoxometalates as Electrode Materials for Lithium-Ion Batteries: Thermal Stability Paves the Way to Improved Cycle Stability
Georg-Maximilian Bosch, et al
ChemElectroChem, 8, 656-664 (2021)
Composition design, optical gap and stability investigations of lead-free halide double perovskite Cs2AgInCl6
Jun Zhou, et al.
Journal of Materials Chemistry, 5, 15031-15037 (2017)
Effect of cesium chloride modification on the film morphology and UV-induced stability of planar perovskite solar cells
Wenzhe Li et, al.
Journal of Materials Chemistry, 4, 11688-11695 (2016)
A Metal-Free N and P-Codoped Carbon Nanosphere as Bifunctional Electrocatalyst for Rechargeable Zinc-Air Batteries
Ping Li, et al.
ChemElectroChem, 6, 393-397 (2019)
Fabrication and reflection properties of silicon nanopillars by cesium chloride self-assembly and dry etching
Jing Liu et, al.
Applied Surface Science, 258, 8825-8830 (2012)

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