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203017

Sigma-Aldrich

Cesium bromide

99.999% trace metals basis

Sinonimo/i:

Cesium monobromide

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About This Item

Formula condensata:
CsBr
Numero CAS:
7787-69-1
Peso molecolare:
212.81
Numero CE:
232-130-0
Numero MDL:
MFCD00010954
Codice UNSPSC:
12352302
ID PubChem:
24852139
NACRES:
NA.23

Livello qualitativo

100

Saggio

99.999% trace metals basis

Forma fisica

powder and chunks

Impurezze

≤15.0 ppm Trace Metal Analysis

Punto di fusione

636 °C (lit.)

Densità

4.44 g/mL at 25 °C (lit.)

Stringa SMILE

[Br-].[Cs+]

InChI

1S/BrH.Cs/h1H;/q;+1/p-1
LYQFWZFBNBDLEO-UHFFFAOYSA-M

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Descrizione generale

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.

Applicazioni

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.

Avvertenze

Warning

Indicazioni di pericolo

H302,H361fd,H400

Classi di pericolo

Acute Tox. 4 Oral - Aquatic Acute 1 - Repr. 2

Codice della classe di stoccaggio

13 - Non Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves

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Certificati d'analisi (COA)

Lot/Batch Number
MKBZ9220V
MKBX6993V
MKBS4593V
MKBQ4582V
MKBL8836V

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N Kurata et al.
Radiation protection dosimetry, 119(1-4), 398-401 (2006-06-01)
CsBr phosphor ceramics doped with different luminescence centres such as In2O3, Eu2O3, EuCl3, SmCl3, TbCl3, GdCl3 or NdCl3 as the candidate for a new optically-stimulable phosphor for medical X-ray imaging sensor were prepared using a conventional ceramic fabrication process. It
Peng Pan et al.
Analytical chemistry, 75(20), 5468-5474 (2004-01-09)
Solutions consisting of protein and small molecule mixtures have been subjected to electrospray ionization to study the influence of small molecule/cation components at high concentrations on the electrospray responses of proteins. Emphasis was placed on solutions consisting of equal parts
Matthieu P Wintergerst et al.
Journal of the American Chemical Society, 130(12), 4129-4139 (2008-03-04)
Solvent-extraction studies provide confirming evidence that meso-octamethylcalix[4]pyrrole acts as an ion-pair receptor for cesium chloride and cesium bromide in nitrobenzene solution. The stoichiometry of the interaction under extraction conditions from water to nitrobenzene was determined from plots of the cesium
Caesium-binding sites in the gramicidin pore.
D A Doyle et al.
Biochemical Society transactions, 22(4), 1043-1045 (1994-11-01)
N Devaraj et al.
Analytical biochemistry, 206(1), 142-146 (1992-10-01)
A procedure for the rapid isolation of mucin glycoprotein by density gradient centrifugation in cesium trifluoroacetate (CsTFA) is described. The separation of mixtures of rat tracheobronchial mucin, DNA, hyaluronic acid, and bovine serum albumin in CsTFA gradients was superior to
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