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203033

Sigma-Aldrich

Cesium iodide

99.999% trace metals basis

Synonym(s):

Caesium iodide, Caesium monoiodide

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About This Item

Empirical Formula (Hill Notation):
CsI
CAS Number:
7789-17-5
Molecular Weight:
259.81
EC Number:
232-145-2
MDL number:
MFCD00010962
UNSPSC Code:
12352302
eCl@ss:
38100503
PubChem Substance ID:
24852141
NACRES:
NA.23

Quality Level

100

assay

99.999% trace metals basis

form

solid

impurities

≤15.0 ppm Trace Metal Analysis

mp

626 °C (lit.)

density

4.51 g/mL at 25 °C (lit.)

SMILES string

[I-].[Cs+]

InChI

1S/Cs.HI/h;1H/q+1;/p-1

InChI key

XQPRBTXUXXVTKB-UHFFFAOYSA-M

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Application

Cesium iodide can be used as precursor to synthesize lead-free perovskite material, Cs2NaBiI6 (CNBI). The CNBI is highly stable and finds application in the field of solar cells, LEDs, and lasers.

It can be used to prepare brightest red emitting Cs2HfI6 scintillator which is applicable in high resolution gamma spectroscopy.

It can also be used tosynthesize Cesium based nanocrystals for the detection of ionizingradiations.

Features and Benefits

  • High quantum efficiency
  • High stability to ambient air and gas environment
Frequently used in devices such as phosphor screens for medical imaging, scintillators, calorimeters and a variety of particle detectors.

pictograms

Health hazardEnvironment
GHS08,GHS09

signalword

Warning

Hazard Classifications

Aquatic Acute 1 - Repr. 2

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

Certificates of Analysis (COA)

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