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Potassium Antimonate

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Identification
Molecular formula
K3Sb(OH)6
CAS number
12125-79-2
IUPAC name
potassium;antimony(3+);hexahydroxide
State
State

At room temperature, potassium antimonate is solid. It remains stable and does not react with air, retaining its solid state unless subjected to higher temperatures.

Melting point (Celsius)
380.00
Melting point (Kelvin)
653.15
Boiling point (Celsius)
545.00
Boiling point (Kelvin)
818.15
General information
Molecular weight
319.90g/mol
Molar mass
319.8990g/mol
Density
3.7800g/cm3
Appearence

Potassium antimonate typically appears as a white crystalline powder. It is known for its stability and resistance to open air, which retains its powdered form without clumping together under normal conditions.

Comment on solubility

Solubility of Potassium Antimony(III) Hexahydroxide (K3Sb(OH)6)

The solubility of potassium antimony(III) hexahydroxide, K3Sb(OH)6, is influenced by several factors, which can make it quite interesting to explore:

  • Solubility in Water: This compound generally exhibits low solubility in water, characterized by a tendency to precipitate rather than dissolve.
  • pH Dependence: The solubility can vary significantly with changes in pH, where acidic conditions may alter the ionic balance and affect dissolution.
  • Temperature Effects: Increasing temperature usually enhances solubility, but for K3Sb(OH)6, this may not be as pronounced due to its inherently low solubility.

Additionally, reactions with other components in solution, such as complexing agents or other metal ions, can further influence solubility. Scientific literature suggests that:

"The presence of competing ions can either stabilize the compound in solution or lead to the formation of new precipitates."

In summary, while K3Sb(OH)6 is not highly soluble in water, its solubility behavior is a complex interplay of pH, temperature, and ionic environments. Understanding these factors is crucial for various applications in chemical processes and environmental science.

Interesting facts

Interesting Facts about Potassium Antimony(III) Hexahydroxide

Potassium antimony(III) hexahydroxide, commonly referred to in scientific circles as K3Sb(OH)6, is a fascinating compound with several noteworthy aspects:

  • Antimony in Biology: Antimony is a metalloid that has shown biological significance, particularly in its potential in pharmaceuticals. It is notably used in treatments for certain parasitic infections, particularly leishmaniasis.
  • Hexahydroxide Structure: The hexahydroxide structure indicates the presence of six hydroxide (–OH) groups. This is quite intriguing as hydroxides can greatly influence the reactivity and properties of compounds.
  • Role in Inorganic Chemistry: The compound serves as a representation of how transition metals like antimony can form stable hydroxides with alkali metals. It demonstrates the versatility and complexity of coordination chemistry.
  • Stability and Use: Potassium antimony(III) hexahydroxide is stable under various conditions and can be utilized in various research applications, especially in studying the behavior of antimony in different chemical environments.
  • Potential in Material Science: Research indicates potential applications in material science, particularly in creating novel materials due to the intriguing properties of antimony and potassium.

In essence, K3Sb(OH)6 is not just a compound of interest due to its unique chemical structure but also because of its multidimensional importance in various fields, from biology to materials science. Its nuanced reactivity and association with antimony’s unique properties make it an exciting subject for further study.

Synonyms
12208-13-8
Potassium hexahydroxoantimonate
EINECS 235-387-7
Antimonate (Sb(OH)61-), potassium, (OC-6-11)-
DTXCID401518680
DTXSID101033938
235-387-7
potassium;antimony(3+);hexahydroxide
Antimonate (Sb(OH)61-), potassium (1:1), (OC-6-11)-
Potassium antimonate, hydrated
Potassium antimonate, trihydrate
IDVSLFDKDQVCAP-UHFFFAOYSA-H
Q3618715