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Barium chloride dihydrate

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Identification
Molecular formula
BaCl2·2H2O
CAS number
10326-27-9
IUPAC name
barium(2+);dichloride;dihydrate
State
State

At room temperature, barium chloride dihydrate is typically found in a solid state.

Melting point (Celsius)
60.00
Melting point (Kelvin)
333.00
Boiling point (Celsius)
1 560.00
Boiling point (Kelvin)
1 833.00
General information
Molecular weight
244.26g/mol
Molar mass
244.2630g/mol
Density
3.1000g/cm3
Appearence

Barium chloride dihydrate appears as a colorless, white crystalline solid. It is known for forming flat, tabular crystals that are often large.

Comment on solubility

Solubility of Barium Dichloride Dihydrate

Barium dichloride dihydrate (BaCl2·2H2O) displays specific solubility characteristics that are notable for various applications. Below are some key points about its solubility:

  • Solvent Interaction: Barium dichloride is quite soluble in water, making it useful in aqueous solutions.
  • Temperature Dependence: As the temperature increases, the solubility of BaCl2·2H2O also tends to increase. This behaviour is typical among many ionic compounds.
  • Salt Formation: Upon dissolution, it dissociates into barium cations (Ba2+) and chloride anions (Cl-), further contributing to its effective solubility in various scenarios.

However, one must consider certain conditions that can affect solubility:

  • Presence of Other Ions: The solubility can be impacted by the presence of competing ions in solution, which might form precipitates or complexes.
  • pH Levels: The pH of the solution can also influence solubility; in highly alkaline environments, barium hydroxide could precipitate out, reducing BaCl2·2H2O availability.

In summary, the solubility of barium dichloride dihydrate in water is enhanced by temperature and can be affected by ion interactions and pH levels. Its effective dissociation into ions makes it an essential compound in various chemical processes.

Interesting facts

Interesting Facts about Barium(II) Chloride Dihydrate

Barium(II) chloride dihydrate is a fascinating compound with diverse applications in chemistry and industry. Here are some intriguing points to consider:

  • Source of Barium: Barium is a member of the alkaline earth metals, often found in nature combined with other elements. It is primarily extracted from the mineral barite, which is barium sulfate.
  • Hydration and Properties: The dihydrate form indicates that this compound contains two molecules of water in its solid structure, which profoundly affects its solubility and reactivity compared to its anhydrous form.
  • Applications in Radiology: One of the most notable uses of barium compounds, including barium(II) chloride, is in medical imaging. A barium sulfate suspension is often used as a radiopaque agent, allowing for detailed visualization of the gastrointestinal tract in X-rays and other imaging techniques.
  • Role in Chemical Reactions: Barium(II) chloride is commonly used in the preparation of other barium compounds and as a reagent in various chemical reactions, demonstrating its versatility within the laboratory.
  • Safety Precautions: While barium compounds have useful applications, they can be toxic in certain forms. It is crucial to handle them with care, always following appropriate safety protocols to prevent health hazards.

In summary, barium(II) chloride dihydrate offers a glimpse into the world of alkaline earth metals and their unique properties. Its relevance in both scientific research and practical applications underscores the broader importance of understanding such compounds in the field of chemistry.

Synonyms
MFCD00149154
barium(2+);dichloride;dihydrate
SCHEMBL21410663
Barium chloride dihydrate, >=99%
Barium chloride (BaCl2), dihydrate
AKOS015903806
Barium chloride dihydrate, Puratronic?
Barium chloride dihydrate, 99% (ACS)
Barium chloride dihydrate, p.a., 99%
Barium chloride dihydrate, LR, 99-102%
Barium chloride dihydrate, puriss., >=99%
Barium chloride dihydrate, AR, 99-100.5%
Barium chloride dihydrate, ACS reagent, >=99%
Barium chloride dihydrate, SAJ first grade, >=98.5%
Barium chloride dihydrate, JIS special grade, >=99.0%
Barium chloride dihydrate, >=99.999% trace metals basis
Barium chloride dihydrate, puriss. p.a., ACS reagent, >=99.0% (KT)
Barium chloride dihydrate, puriss. p.a. plus, ACS reagent, reag. ISO, reag. Ph. Eur., >=99%