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Tricalcium diarsorite

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Identification
Molecular formula
Ca3(AsO4)2
CAS number
7789-75-5
IUPAC name
tricalcium;diarsorite
State
State
At room temperature, tricalcium diarsorite is in a solid state. It maintains its solid crystalline form under normal environmental conditions without undergoing sublimation or liquefaction until it reaches its melting point.
Melting point (Celsius)
1 240.00
Melting point (Kelvin)
1 513.00
Boiling point (Celsius)
2 650.00
Boiling point (Kelvin)
2 923.00
General information
Molecular weight
329.86g/mol
Molar mass
329.8640g/mol
Density
3.6700g/cm3
Appearence
Tricalcium diarsorite typically appears as a white or off-white crystalline solid. Its appearance may vary slightly depending on the purity and specific crystallization conditions. Due to its crystal structure, it may demonstrate a variety of crystal shapes and habits in its solid form.
Comment on solubility

Solubility of Tricalcium Diarsorite

Tricalcium diarsorite, represented by the chemical formula Ca3(AsO4)2, exhibits intriguing solubility characteristics that accentuate its role in various chemical contexts. Understanding its solubility behavior is essential for applications in fields such as agriculture, environmental science, and material engineering.

Solubility Characteristics

When assessing the solubility of tricalcium diarsorite, consider the following key points:

  • Water Solubility: Tricalcium diarsorite is relatively insoluble in water, which means that in aqueous solutions, its presence may lead to precipitation rather than a stable solution.
  • Acidic Solutions: This compound tends to dissolve more readily in acidic environments. For instance, it can react with strong acids to form soluble arsenate species, thus increasing its mobility in biological and environmental systems.
  • Impact of pH: The solubility of tricalcium diarsorite is highly dependent on the pH of the solution. At lower pH levels, an enhanced solubility can be observed due to the increased availability of hydrogen ions for interaction.
  • Formulation Considerations: In agricultural applications, understanding the solubility will aid in the effective formulation of fertilizers and soil amendments that can maximize nutrient release and availability.

In conclusion, while tricalcium diarsorite presents low solubility in neutral water, its behavior changes significantly in acidic conditions. This characteristic allows for tailored usage in various applications, emphasizing the importance of knowing the solubility dynamics. As always in chemistry, the principle of “like dissolves like” remains a fundamental guide in predicting solubility behavior.

Interesting facts

Interesting Facts About Tricalcium Diarsorite

Tricalcium diarsorite is a fascinating compound that features prominently in various scientific discussions, especially within the realms of inorganic chemistry and materials science. Here are some engaging facts that showcase its significance:

  • Composition and Structure: This compound is composed of three calcium (Ca) ions paired with two arsenite (AsO₃) units. This unique combination contributes to intriguing structural properties, making it a subject of study in crystal chemistry.
  • Applications: Tricalcium diarsorite has potential applications in areas such as agricultural chemistry. Its components can influence soil chemistry positively, providing insight into nutrient management for crops.
  • Health Considerations: While calcium is essential for biological systems, arsenic in any form, including arsenites, is well-known for being toxic. This highlights the importance of careful handling and understanding of its ecological impact.
  • Crystal Habit: The crystallography of tricalcium diarsorite is of particular interest, as it can exhibit distinctive forms that help chemists understand bonding patterns and stability in multi-metal systems.
  • Historical Significance: As discussions about arsenic compounds have evolved over time, tricalcium diarsorite provides a glimpse into the interplay between toxic elements and essential nutrients in the study of minerals.

In summary, tricalcium diarsorite serves as more than just a chemical compound; it acts as a gateway to explore essential themes in chemistry, from toxicology to mineralogy. Each research investigation into this compound can yield important insights into the broader implications of chemical interactions in our environment.

Synonyms
Tricalcium diarsenite
Arsenous acid, calcium salt (2:3)
RefChem:899156
248-266-9
ARSENIOUS ACID, CALCIUM SALT
tricalcium;diarsorite
27152-57-4
Monocalcium arsenite
Calcium arsenite (3:2)
Calcium arsenite (Ca3As2O6)
EINECS 248-266-9
AI3-01165
Arsenious acid calcium salt
SCHEMBL995373
DTXSID60181622
DB-254155
NS00084432