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Cesium bromide

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Identification
Molecular formula
CsBr
CAS number
7787-69-1
IUPAC name
cesium;bromide
State
State
Cesium bromide is generally found in its solid-state at room temperature, appearing as a crystalline powder. This makes it practical for use in various applications such as scintillation counters and preparing other cesium compounds.
Melting point (Celsius)
636.00
Melting point (Kelvin)
909.00
Boiling point (Celsius)
1 300.00
Boiling point (Kelvin)
1 573.00
General information
Molecular weight
212.81g/mol
Molar mass
212.8090g/mol
Density
4.4400g/cm3
Appearence

Cesium bromide appears as a white crystalline solid. It is a hygroscopic material, meaning it can absorb moisture from the environment, which might affect its appearance and lead to clumping if exposed. The solid form of cesium bromide can dissolve in water and forms clear solutions.

Comment on solubility

Solubility of Cesium Bromide

Cesium bromide (CsBr) is an ionic compound that demonstrates notable solubility in water, making it a valuable substance in various applications. Its solubility characteristics are primarily influenced by several factors:

  • High Solubility: CsBr is known for its high solubility in water, with approximately 51 g of the compound dissolving in 100 mL of water at room temperature.
  • Ionic Nature: The strong ionic bonds between cesium and bromide ions are effectively overcome by the polar nature of water, facilitating dissolution.
  • Temperature Influence: As with many salts, the solubility of CsBr tends to increase with temperature, making it more soluble in warmer aqueous solutions.
  • Practical Implications: This solubility is beneficial for its use in analytical chemistry and other applications where a soluble form is required.

In summary, the solubility of cesium bromide in water is a key feature that underscores its utility in chemical processes. Its ability to dissolve readily in a polar solvent like water highlights the dynamic interactions between ionic compounds and solvents, reflecting the principle that “like dissolves like.”

Interesting facts

Interesting Facts About Cesium Bromide

Cesium bromide (CsBr) is a fascinating chemical compound that belongs to the group of alkali metal halides. Here are several intriguing aspects that make it stand out:

  • High Solubility: Cesium bromide exhibits very high solubility in water, which differentiates it from many other bromides. This characteristic makes it particularly useful in various chemical processes.
  • Crystal Structure: It forms a cubic crystal lattice structure, which is typical of many alkali halides. The symmetry of this crystal structure allows it to exhibit interesting optical properties.
  • Applications in Optics: Due to its unique optical properties, cesium bromide crystals are used in the production of optical components, such as windows for high-power lasers and as a substrate in the fabrication of other optical devices.
  • Role in Nuclear Chemistry: CsBr is also known for its application in nuclear science, particularly as a component in certain types of radiation detectors, showcasing its importance beyond organic chemistry.

As noted by experts in the field, "Cesium bromide serves not only as a simple ionic salt but also as a gateway to understanding more complex chemical interactions and applications." This makes it an essential compound in both academic research and industrial applications.

Historical Significance

Césium was discovered in 1860 by Robert Bunsen and Gustav Kirchhoff through the use of spectroscopy. The unique blue lines in its spectrum marked the beginning of a new era in analytical chemistry. The synthesis of cesium bromide tells a story of scientific evolution, reflecting how far we've come in our capacity to manipulate and understand chemical elements.

In summary, cesium bromide is more than just a simple salt; it plays a vital role in modern science, bridging fundamental research and practical applications across various fields. Its intriguing properties and historical significance make it a compound worthy of study and exploration.

Synonyms
CESIUM BROMIDE
Caesium bromide
Cesium bromide (CsBr)
Tricesium tribromide
EINECS 232-130-0
UNII-06M25EDM3F
NSC 84269
06M25EDM3F
NSC-84269
CESIUM BROMIDE [MI]
DTXSID8064854
Bromocaesium
Caesium bromide (CsBr)
DTXCID0048058
7787-69-1
Cesiumbromide
cesium;bromide
CsBr
MFCD00010954
cesium,bromide
Cesium bromide, ultra dry
WLN: CS E
NSC84269
AKOS015902623
AKOS024438109
FC54585
SY061076
C2202
CS-0031755
NS00080502
Q331002