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Copper (II) Bromide

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Identification
Molecular formula

CuBr2

CAS number
7789-45-9
Solubility details
Solubility in water
55.70g/L
State
State

solid

Melting point (Celsius)
498.00
Melting point (Kelvin)
771.00
Boiling point (Celsius)
900.00
Boiling point (Kelvin)
1 173.00
General information
Molar mass
223.3700g/mol
Density
4.7100g/cm3
Appearence

greyish black crystals

Comment on solubility

Solubility of Copper(II) Bromide (CuBr2)

Copper(II) bromide, or CuBr2, is a fascinating compound notable for its solubility characteristics. Here are some key points regarding its solubility:

  • Solvent Interaction: CuBr2 is generally soluble in water due to its ionic nature, enabling it to dissociate into Cu2+ and Br− ions.
  • Concentration Dependence: The solubility of this compound increases with temperature, making it more pronounced in warmer solutions.
  • Other Solvents: It exhibits varying solubility in organic solvents. For example, it has limited solubility in ethanol and other polar organic solvents, which can affect its use in chemical reactions and syntheses.
  • Precipitation: In contrast, when CuBr2 is mixed with solutions containing anions like sulfate, precipitation can occur, showcasing its limited solubility under certain conditions.

In summary, Copper(II) bromide is a soluble compound in water while demonstrating selective solubility in other solvents. The understanding of its solubility behavior is essential for applications in various chemical processes and analyses.

Interesting facts

Interesting Facts about Copper(II) Bromide (CuBr2)

Copper(II) bromide, or CuBr2, is a fascinating compound that showcases the diverse nature of transition metal halides. Here are some intriguing insights into this compound:

  • Oxidation State: In CuBr2, copper exists in the +2 oxidation state, making it an important example of how metals can exhibit multiple valencies.
  • Applications: CuBr2 plays a significant role in various applications, including:
    • As a catalyst in organic synthesis.
    • In photochemical reactions.
    • As a brominating agent in chemistry.
  • Color Change: One of the notable characteristics of CuBr2 is its ability to undergo color changes based on oxidation states, which can be a sleek visual indicator during experiments.
  • Complex Formation: Copper(II) bromide can form a wide range of complexes with various ligands, which can be studied for their electronic and structural properties.

As a noteworthy compound in the field of coordination chemistry, Copper(II) bromide also underlines the importance of halides in transitioning and rearranging chemical bonds. Researchers continue to explore its potential in areas such as material science and catalysis.

To quote a prominent chemist: "The beauty of chemistry lies in its ability to transform and combine the simplest components into complex systems that can be harnessed for innovation."