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Calcium bromide

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Identification
Molecular formula
CaBr2
CAS number
7789-41-5
IUPAC name
calcium;dibromide
State
State

Calcium bromide is typically found in a solid state at room temperature. It is hygroscopic, meaning it can absorb moisture from the air and deliquesce into a solution.

Melting point (Celsius)
730.00
Melting point (Kelvin)
1 003.15
Boiling point (Celsius)
806.00
Boiling point (Kelvin)
1 079.15
General information
Molecular weight
199.89g/mol
Molar mass
199.8860g/mol
Density
3.3530g/cm3
Appearence

Calcium bromide appears as a white powder or as colorless crystals. It can also exist in a crystalline solid form when anhydrous, and it forms colorless to white crystals when it is in its hydrated form.

Comment on solubility

Solubility of Calcium Dibromide

Calcium dibromide, with the chemical formula CaBr2, exhibits interesting solubility characteristics in water. Understanding its solubility behavior is crucial for various applications in chemistry:

  • Solubility in Water: Calcium dibromide is known to be soluble in water. This means it can dissolve to form a clear solution, which is beneficial for processes requiring ionic compounds in aqueous solutions.
  • Temperature Dependence: The solubility of CaBr2 typically increases with temperature. This characteristic is common among many ionic compounds, where higher temperatures facilitate greater solvation of ions.
  • Concentration Effects: As with other soluble salts, if the concentration of CaBr2 in a solution exceeds its solubility limit, precipitation will occur. Thus, it is essential to maintain appropriate concentrations during experimentation.
  • Effect of Other Ions: The presence of other salts in solution can affect the solubility of CaBr2. For example, ions that form stronger soluble complexes with calcium or bromine may enhance or inhibit its solubility.

In summary, calcium dibromide is relatively soluble in water, which allows it to play significant roles in various chemical reactions and applications. Its solubility attributes are influenced by temperature and the presence of other ions, making it an essential compound in both laboratory and industrial settings.

Interesting facts

Interesting Facts about Calcium Dibromide

Calcium dibromide, a fascinating compound, has several characteristics and uses that make it noteworthy in both chemistry and industry. Here are some intriguing facts about this compound:

  • Chemical Composition: This compound consists of one calcium atom and two bromine atoms, showcasing a simple yet effective molecular structure.
  • Applications in Industry: Calcium dibromide is primarily utilized in oil and gas drilling operations. It serves as a brine solution that increases wellbore stability.
  • Heavy Brine: It acts as a heavy brine that is advantageous in managing pressure while drilling, thus preventing blowouts and ensuring safety.
  • Compatible with Other Chemicals: This compound can be mixed with various other salts to modify its properties for specific applications, making it versatile in formulations.
  • Environmental Considerations: While beneficial in its applications, the use of calcium dibromide demands caution due to the potential environmental impacts of bromine compounds.

A famous quote in the scientific community is, “Understanding the properties of compounds is essential for their safe and effective use.” This emphasizes the importance of studying compounds like calcium dibromide to maximize their benefits and minimize any risks associated with their usage.

In summary, calcium dibromide is more than just a simple ionic compound; it plays a vital role in the energy sector, demonstrating the importance of chemical understanding in real-world applications.

Synonyms
Calcium bromide (CaBr2)
calcium;dibromide
Calcium bromide [JAN]
Calcium bromide (JAN)
Calcium bromide, ultra dry , 99.978% (metals basis)
MFCD00010902
Hydrobromic acid calcium salt
Brocal (TN)
Ca Br2
Calcium bromide, anhydrous
Calcium bromide, ultra dry
BCP21634
BR1142
AKOS015902774
D01723
Calcium bromide, anhydrous, beads, -10 mesh, 99.98% trace metals basis