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Cesium bromide

CAS number : 7787-69-1

Molecular weight :212.81

Molecular formula/chemical symbol :CsBr

Description :

Caesium bromide, (CsBr), is an ionic compound of caesium and bromine. It has simple cubic p-type cubic crystallic structure, comparable to that of caesium chloride type with space group Pm3m and lattice constant a = 0.42953 nm. The distance between Cs+ and Br? ions is 0.37198 nm.

Caesium bromide

IUPAC name[hide]

Caesium bromide

Other names[hide]

Cesium bromide,
Caesium(I) bromide

Identifiers

CAS number

7787-69-1 YesY

PubChem

24592

ChemSpider

22994 YesY

EC number

232-130-0

Jmol-3D images

Image 1

Properties

Molecular formula

CsBr

Molar mass

212.81 g/mol

Appearance

White solid

Density

4.44 g/cm3, solid

Melting point

636 °C

Boiling point

1300 °C

Solubility in water

1062 g/L (15 °C)
1243 g/L (25 °C)

Structure

Crystal structure

CsCl

Coordination
geometry

8–8

Hazards

EU Index

Not listed

Flash point

Non-flammable

Related compounds

Other anions

Caesium fluoride
Caesium chloride
Caesium iodide
Caesium astatide

Other cations

Sodium bromide
Potassium bromide
Rubidium bromide

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Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)

USES :

Analytical reagents, X-ray phosphor screen. Spectrometer prism

Report :

Product name

Cesium bromide

CAS7787-69-1

Description

White crystalline

TEST ITEMS

TEST RESULTS

CsBr Main Content More Than (%)

99.5

Content

Of

Impurity

Less

than

(%)

K

0.04


Ca

0.002


Ba

0.01


Pb

0.05


Al

0.001


Cl

0.03


SO4 2-

0.05