203017
Cesium bromide
99.999% trace metals basis
Synonym(s):
Cesium monobromide
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About This Item
Linear Formula:
CsBr
CAS Number:
Molecular Weight:
212.81
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.23
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Assay
99.999% trace metals basis
form
powder and chunks
impurities
≤15.0 ppm Trace Metal Analysis
mp
636 °C (lit.)
density
4.44 g/mL at 25 °C (lit.)
SMILES string
[Br-].[Cs+]
InChI
1S/BrH.Cs/h1H;/q;+1/p-1
InChI key
LYQFWZFBNBDLEO-UHFFFAOYSA-M
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General description
Cesium bromide (CsBr) is an inorganic compound moderately soluble in water and exhibits hygroscopic properties. CsBr crystals are utilized in scintillation counters for detecting radiation due to their effective scintillation properties. It is also used in optics as a beam splitter component in wide-band spectrophotometers.
Application
Cesium bromide can be used as:
- An electrolyte additives to improve the cycling efficiency of lithium and graphite anodes in lithium-ion batteries. The cesium cations can help control the interfacial chemistry on the anode, leading to enhanced performance.
- An additive to enhance the efficiency and stability of CsPbI2Br perovskite solar cells by passivating defects, improving charge transport properties, and contributing to higher power conversion efficiencies.
- As a precursor material to synthesize cesium lead bromide (CsPbBr3) perovskite, which is then utilized as an electrode material in a symmetric supercapacitor.
- As a precursor to prepare thermal neutron imaging plates.
- As a precursor to synthesize lead-free CsBr: Eu2+ nanocrystals for fabricating white LEDs.
- As an additive to prepare CsI-based scintillators. Alloying with cesium bromide increases the yield limit and microhardness of CsI crystals.
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Acute 1 - Repr. 2
Storage Class Code
13 - Non Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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