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Sigma-Aldrich

Cesium chloride

99.99% trace metals basis

Synonym(s):

Cesium monochloride

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About This Item

Linear Formula:
CsCl
CAS Number:
7647-17-8
Molecular Weight:
168.36
EC Number:
231-600-2
MDL number:
MFCD00010955
UNSPSC Code:
12352302
PubChem Substance ID:
24880046
NACRES:
NA.23

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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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
GHS08

signalword

Warning

hcodes

H361f

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)

Certificates of Analysis (COA)

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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
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