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562599

Sigma-Aldrich

Cesium chloride

99.99% trace metals basis

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Synonym(s):
Cesium monochloride
Linear Formula:
CsCl
CAS Number:
Molecular Weight:
168.36
EC Number:
MDL number:
PubChem Substance ID:

Quality Level

assay

99.99% trace metals basis

form

powder

impurities

≤150.0 ppm Trace Metal Analysis

mp

645 °C (lit.)

SMILES string

[Cl-].[Cs+]

InChI

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

InChI key

AIYUHDOJVYHVIT-UHFFFAOYSA-M

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This Item
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Cesium chloride 99.99% trace metals basis

562599

Cesium chloride

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C3139

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C3309

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C3032

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assay

99.99% trace metals basis

assay

≥99.5% trace metals basis

assay

≥99.5% (titration)

assay

≥99% (silver nitrate titration)

mp

645 °C (lit.)

mp

645 °C (lit.)

mp

645 °C (lit.)

mp

645 °C (lit.)

impurities

≤150.0 ppm Trace Metal Analysis

impurities

-

impurities

Insoluble matter, passes filter test

impurities

≤0.001% Li, ≤0.01% Pb

General description

Cesium chloride is a white crystalline solid that is soluble in water. It is widely used in the field of solar cells and nucleic acid separation. It is partially soluble in ethanol and methanol but highly soluble in formic acid. Cesium chloride has a wide band gap of about 8.35 eV at 80 K.

Application

Cesium chloride can be used:
  • As a precursor to fabricate homogeneous perovskite films with high crystallinity and preferential orientation. These films enhance the power conversion efficiency of solar cells.
  • To synthesize blue emission lead-free antimony Cesium halide Qdots of high PLQY of 46% and Mn-Doped Cs2Na1–xAgxBiCl6 double perovskites for engineering the band gap and tailoring the energy transfer.
  • To fabricate polyoxometalate electrode materials for Li-ion batteries. The addition of CsCl enhances the thermal stability and cycling stability of the battery cell.
  • To prepare a density gradient solution for the separation of nucleic acids.
Our Cesium chloride is highly prized for its exceptional purity of 99.99% in terms of trace metals. It is the preferred choice for synthesizing a wide range of perovskite materials.

pictograms

Health hazard

signalword

Warning

hcodes

Hazard Classifications

Repr. 2

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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High Quantum Yield Blue Emission from Lead-Free Inorganic Antimony Halide Perovskite Colloidal Quantum Dots
Jian Zhang, et al.
ACS Nano, 11, 9294-9302 (2017)
Improvements in efficiency and stability of perovskite solar cells using a cesium chloride additive
Xiaodan Tang, et al.
ACS Applied Materials & Interfaces, 14, 26866-26872 (2022)
Homo- and Heterovalent Doping-Mediated Self-Trapped Exciton Emission and Energy Transfer in Mn-Doped Cs2Na1?xAgxBiCl6 Double Perovskites
Bao Ke, et al.
The Journal of Physical Chemistry Letters, 11, 340-348 (2020)
Takafumi Yamamoto et al.
Inorganic chemistry, 50(22), 11787-11794 (2011-10-25)
The rock salt (B1) structure of binary oxides or chalcogenides transforms to the CsCl (B2) structure under high pressure, with critical pressures P(s) depending on the cation to anion size ratio (R(c)/R(a)). We investigated structural changes of A(2)MO(3) (A =
Piotr Jurkiewicz et al.
Biochimica et biophysica acta, 1818(3), 609-616 (2011-12-14)
Effects of alkali metal chlorides on the properties of mixed negatively charged lipid bilayers are experimentally measured and numerically simulated. Addition of 20mol% of negatively charged phosphatidylserine to zwitterionic phosphatidylcholine strengthens adsorption of monovalent cations revealing their specificity, in the

Articles

Colloidal quantum dots (CQDs) are semiconducting crystals of only a few nanometers (ca. 2–12 nm) coated with ligand/surfactant molecules to help prevent agglomeration.

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