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Sodium hydrogen arsenate

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Identification
Molecular formula
Na2HAsO4
CAS number
13517-24-3
IUPAC name
disodium;hydrogen arsorate
State
State

At room temperature, sodium hydrogen arsenate is typically found in a solid state. It appears as a powder or crystalline form.

Melting point (Celsius)
50.00
Melting point (Kelvin)
323.15
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
185.91g/mol
Molar mass
185.9110g/mol
Density
2.3000g/cm3
Appearence

Sodium hydrogen arsenate usually appears as a white crystalline powder. It is soluble in water and has no significant odor. Its appearance might vary slightly depending on its hydration state, but it predominantly retains its white, powdery characteristics.

Comment on solubility

Solubility of Disodium Hydrogen Arsenate

Disodium hydrogen arsenate, with the chemical formula Na2HAsO4, is a salt that exhibits notable solubility characteristics. Understanding its solubility can provide insight into its applications and behavior in various environments.

Key Points on Solubility:

  • Solubility in Water: Disodium hydrogen arsenate is highly soluble in water. This trait is crucial for its use in solutions where precise concentrations are required.
  • Temperature Dependence: The solubility tends to increase with rising temperature, a common characteristic observed in many salts.
  • Effect of pH: The solubility can be influenced by the pH of the solution. For instance, in acidic conditions, its solubility may decrease, while it remains stable in neutral to basic pH levels.
  • Complexation: The presence of other ions in the solution can alter the solubility of disodium hydrogen arsenate, leading to potential interactions or precipitation with competing ions.

In practical applications, this high solubility allows disodium hydrogen arsenate to be easily incorporated into various chemical processes, where it can act as a source of arsenate ions. However, care must be taken due to the potential toxicity associated with arsenic compounds. As such, it is essential to handle it with appropriate safety measures.

Interesting facts

Interesting Facts about Disodium Hydrogen Arsenate

Disodium hydrogen arsenate, commonly known for its applications in various fields, is a fascinating compound with a range of uses and properties that chemists and students alike find intriguing. Here are some engaging facts:

  • Industrial Applications: This compound is frequently used in the manufacture of glass and ceramics, providing essential properties such as improved durability and thermal resistance.
  • Role in Agriculture: Disodium hydrogen arsenate serves as a herbicide and pesticide, aiding in the protection of crops against pests and diseases. Its role is crucial for ensuring healthy agricultural productivity.
  • Analytical Chemistry: In the field of chemistry, disodium hydrogen arsenate is utilized as a reagent in analytical tests, allowing scientists to identify and quantify arsenic in various samples.
  • Physical Chemistry Studies: The compound is often studied for its interactions in solution, providing insight into the behavior of arsenates under different conditions.

This compound is of particular interest due to its dual nature, associated with both beneficial and hazardous properties. While it plays a crucial role in industrial and agricultural applications, careful handling is necessary due to the toxic nature of arsenic compounds. As stated in scientific literature, “Understanding the properties and effects of disodium hydrogen arsenate is essential for developing safer and more effective practices in its use.”

In summary, disodium hydrogen arsenate is not only a compound of interest for its industrial and agricultural applications but also a subject of research in chemistry, reflecting the complexities of arsenic chemistry. Its study opens up an ongoing dialogue about safety, utility, and environmental impact, making it a relevant topic in today's scientific discussions.

Synonyms
Disodium arsenate
Sodium arsenate, dibasic
Sodium biarsenate
Dibasic sodium arsenate
Disodium arsenic acid
Disodium hydrogenarsenate
disodium hydrogen arsorate
Disodium hydrogen arsenate
Sodium acid arsenate
Sodium arsenate, exsiccated
Arsenic acid, disodium salt
Disodium monohydrogen arsenate
Disodium hydrogen orthoarsenate
Shaughnessy 013505
CCRIS 6884
Arsenic acid (H3AsO4), disodium salt
HSDB 1675
Sodium arsenate dibasic, anhydrous
EINECS 231-902-4
ANU034TUJ4
Hydrogen sodium arsenate (HNa2AsO4)
NaHAsO4
Sodium arsenate, exsiccated [NF]
Hydrogen sodium arsenate
Arsenic acid (H3AsO4) sodium salt (1:2)
DISODIUM ARSENATE [HSDB]
DTXSID8032047
SODIUM ARSENATE [MART.]
CHEBI:91256
SODIUM ARSENATE, DIBASIC [MI]
ARSENIC ACID SODIUM SALT (1:2)
SODIUM ARSENATE, DIBASIC ANHYDROUS
SODIUM ARSENATE, DIBASIC, ANHYDROUS
Arsenic acid (H3AsO4), sodium salt (1:2)
SODIUM ARSENATE (MART.)
DTXCID6012047
231-902-4
7778-43-0
UNII-ANU034TUJ4
dibasicsodium arsenate
disodium;hydrogen arsorate
IHZDYHDJAVUIBH-UHFFFAOYSA-L
NS00080621
Q2557463