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Trisodium phosphate

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Identification
Molecular formula
Na3PO4
CAS number
7601-54-9
IUPAC name
trisodium;arsorite
State
State

Trisodium phosphate is typically found in a solid state at room temperature. It can appear as a powder or crystalline solid, depending on its hydration form.

Melting point (Celsius)
73.30
Melting point (Kelvin)
346.45
Boiling point (Celsius)
100.00
Boiling point (Kelvin)
373.15
General information
Molecular weight
163.94g/mol
Molar mass
163.9400g/mol
Density
1.6200g/cm3
Appearence

Trisodium phosphate typically appears as a white, granular or crystalline solid. It can be found in pure form or as part of various hydrates. It is often utilized in a powdered form, offering ease of use in various applications.

Comment on solubility

Solubility of Trisodium Arsenite

Trisodium arsenite, with the chemical formula Na3AsO3, exhibits specific solubility characteristics that are essential to understand for its practical applications and safety measures. This compound is known to be:

  • Soluble in Water: Trisodium arsenite is highly soluble in water, enabling it to dissociate into its constituent ions, Na+ and AsO33-, which plays a crucial role in its usage in various chemical processes.
  • Influenced by pH: The solubility can be affected by the pH of the solution, with higher solubility often observed at more alkaline conditions.
  • Low Solubility in Organic Solvents: Trisodium arsenite demonstrates poor solubility in most organic solvents, which limits its use in organic chemical applications.

In summary, the solubility of trisodium arsenite is a significant factor that impacts its behavior in environmental contexts. It's crucial for users to consider the implications of its solubility, especially in water, as it leads to increased mobility and potential bioavailability of arsenic in ecosystems. Remember, "While it is soluble, it is imperative to handle with care due to its toxic properties." Understanding these solubility traits helps in both innovative applications and safety guidelines.

Interesting facts

Interesting Facts about Trisodium Arsenite

Trisodium arsenite, often referred to by its common name, is an intriguing compound that has captured the attention of scientists and researchers alike. Here are some captivating aspects of this compound:

  • Historical Use: Trisodium arsenite has been used historically as a pesticide and herbicide. Its effectiveness against various pests made it a popular choice in agriculture until its more hazardous properties were understood.
  • Chemical Behavior: This compound is known for its ability to form complex ions and can act both as a reducing and oxidizing agent under different conditions. This duality makes it a subject of study for redox chemistry.
  • Toxicity: Due to the presence of arsenic, trisodium arsenite is highly toxic. It is imperative for anyone handling this compound to observe strict safety protocols to avoid inhalation or ingestion. This toxic nature has led to rigorous regulations surrounding its use.
  • Biochemical Reactions: In biological systems, arsenite can interfere with cellular metabolism by inhibiting certain enzymes. Understanding these interactions is crucial for toxicology and human health studies.
  • Research and Development: This compound is not merely an antiquated biocide; it is also explored in various research settings, particularly in studies related to cancer and oxidative stress, providing insight into its potential effects on cellular processes.

As with many compounds containing arsenic, caution is key. Advances in science may further illuminate safe handling practices and alternative uses for trisodium arsenite, shifting our understanding and application of this intriguing compound.

Synonyms
Trisodium arsenite
13464-37-4
DTXSID40161442
DTXCID8083933
236-681-8
Sodium orthoarsenite
trisodium;arsorite
Arsenous acid, trisodium salt
14060-38-9
SODIUMORTHOARSENITE
Natriumarsenit
Natriumarsenit [German]
Arsonic acid, sodium salt
EINECS 236-681-8
Arsenious acid (H3AsO3), sodium salt
AI3-01066
UN1686
UN2027
Sodium arsenite, solid
Arsenious acid (H3AsO3), trisodium salt
SCHEMBL119584
FJDHVPHQDPJCHK-UHFFFAOYSA-N
NS00087049
Sodium arsenite, solid [UN2027] [Poison]
Q18210148