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Sodium chlorite

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Identification
Molecular formula
NaClO2
CAS number
7758-19-2
IUPAC name
sodium;chlorite
State
State

At room temperature, sodium chlorite is typically a solid.

Melting point (Celsius)
180.00
Melting point (Kelvin)
453.15
Boiling point (Celsius)
180.00
Boiling point (Kelvin)
453.15
General information
Molecular weight
90.44g/mol
Molar mass
90.4420g/mol
Density
2.5000g/cm3
Appearence

Sodium chlorite appears as a white crystalline powder. It may also be found in a tablet form or as a granulated material. It has a chlorine-like, slightly pungent odor.

Comment on solubility

Solubility of Sodium Chlorite

Sodium chlorite (NaClO2) exhibits notable solubility characteristics that are essential in various applications. Here are some key points regarding its solubility:

  • Water Solubility: Sodium chlorite is highly soluble in water, allowing it to easily dissociate into sodium ions (Na+) and chlorite ions (ClO2-). This property makes it effective for use in aqueous solutions.
  • Temperature Influence: The solubility of sodium chlorite tends to increase with rising temperatures, which can enhance its reactivity and efficacy in various environmental and industrial processes.
  • pH Dependency: The solubility of sodium chlorite is influenced by the pH of the solution. In acidic conditions, it can lead to the formation of chlorine dioxide (ClO2), a potent oxidizing agent.
  • Limiting Factors: Though sodium chlorite is soluble, its solubility can be affected by the presence of other ions in a solution, which may lead to precipitation or complexation.

In summary, the solubility of sodium chlorite in water coupled with its versatility in different pH environments underscores its significance in numerous chemical applications.

Interesting facts

Interesting Facts about Sodium Chlorite

Sodium chlorite is a fascinating compound with a range of applications and significant properties that intrigue both scientists and industry practitioners. Here are some notable points:

  • Chemical Structure: Sodium chlorite has a unique chemical structure that includes the chlorite ion ClO₂. This ion plays a crucial role in its reactivity and applications.
  • Disinfection Properties: One of the most significant uses of sodium chlorite is in water treatment and disinfection. It is an effective *oxidizing agent* that helps eliminate a wide range of pathogens, making it vital for ensuring safe drinking water.
  • Industrial Applications: Beyond water treatment, sodium chlorite is used in various industrial processes, including the manufacture of *bleaching agents*, and in the production of *paper* and *textiles*.
  • Safety Considerations: While sodium chlorite is useful, it must be handled with care. It can be hazardous if not used appropriately, requiring proper safety measures during use.
  • Unique Reactions: Sodium chlorite can undergo interesting chemical reactions when mixed with acids or other substances, liberating chlorine dioxide ClO₂, which is another powerful disinfecting agent.

As a compound that combines both utility and complexity, sodium chlorite continues to be a subject of study and innovation in the fields of chemistry and environmental science. Its blend of efficiency in disinfection and industrial application makes it a noteworthy example of the potential within chemical compounds.