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Copper(I) bromide

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Identification
Molecular formula
CuBr
CAS number
7787-70-4
IUPAC name
dibromocopper
State
State

At room temperature, copper(I) bromide exists in the solid state. It is usually found and handled as a dry powder to prevent the absorption of moisture which can lead to partial hydrolysis and discoloration.

Melting point (Celsius)
492.00
Melting point (Kelvin)
765.15
Boiling point (Celsius)
1 345.00
Boiling point (Kelvin)
1 618.15
General information
Molecular weight
223.35g/mol
Molar mass
223.3540g/mol
Density
4.7200g/cm3
Appearence

Copper(I) bromide is a white to off-white crystalline solid. It may appear as a fine powder or as crystalline lumps and can sometimes exhibit a slight blue or green tint due to impurities or exposure to moisture. It is not highly reflective, with a matte appearance typical of many inorganic ionic salts.

Comment on solubility

Solubility of Dibromocopper

Dibromocopper, with the chemical formula CuBr2, exhibits some intriguing solubility characteristics that can be categorized as follows:

  • Solvent Compatibility: This compound is generally more soluble in organic solvents compared to water.
  • Water Solubility: Dibromocopper's solubility in water is limited, making it sparingly soluble under typical conditions.
  • Temperature Dependence: The solubility may increase slightly with rising temperatures; hence, it is advisable to conduct solubility tests at varying temperatures for precise evaluation.
  • pH Influence: The solubility can also be affected by the pH of the solution; acidic or basic conditions may alter its dissolution behavior.

In conclusion, dibromocopper presents a unique solubility profile governed by solvent type, temperature, and pH. Understanding these attributes is essential for applications in chemistry and material sciences.

Interesting facts

Interesting Facts about Dibromocopper

Dibromocopper, also known as copper(II) bromide, is a fascinating compound that showcases the intriguing chemistry of transition metals. Here are some key aspects that highlight its significance:

  • Coordination Chemistry: Dibromocopper forms complex ions, which means it can bind with various ligands. This capability makes it a key player in coordination chemistry and catalysis.
  • Use in Organic Synthesis: This compound is notably used as a reagent in organic synthesis. It can facilitate reactions such as bromination of hydrocarbons, making it valuable in pharmaceuticals and agrochemicals.
  • Electrochemistry: In electrochemical applications, copper(II) bromide serves as an important catalyst and is involved in various electrochemical reactions, broadening its utility in electroanalysis.
  • Color Changes: Dibromocopper exhibits characteristic color changes in different environments. These changes can provide visual cues during chemical reactions and processes.
  • Crystal Structure: The solid state of dibromocopper presents interesting crystal structures that can affect its properties and interactions, which are subjects of study in solid-state chemistry.

As a compound that bridges various branches of chemistry, dibromocopper is an excellent example of how simple molecules can have profound implications in both theoretical research and practical applications. Its ability to participate in various chemical processes not only makes it a subject of study but also emphasizes the rich tapestry of interactions in chemical science.

Synonyms
Copper(II) bromide
CUPRIC BROMIDE
UNII-1KC430K0ZN
1KC430K0ZN
HSDB 257
EINECS 232-167-2
Cuprum Bromatum
CUPRIC BROMIDE, ANHYDROUS
232-167-2
7789-45-9
Dibromocopper
Copper (II) bromide
Copper bromide (CuBr2)
MFCD00010970
copper(II)bromide
Copper II bromide
CuBr2
Copper (11) bromide
Copper(II) bromide, 99%
DTXSID7064863
BR1147
copper dibromide;Copper (II) bromide
AKOS015833215
Copper(II) bromide, Trace metals grade
BP-11386
Copper(II) bromide, purum, >=99.0% (RT)
A930344
Copper(II) bromide, 99.999% trace metals basis
Q420370