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Dithionic acid

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Identification
Molecular formula
H2S2O6
CAS number
14970-41-7
IUPAC name
dithionic acid
State
State

At room temperature, dithionic acid exists as an aqueous solution. It is not typically found in an anhydrous form due to its high instability.

Melting point (Celsius)
-32.00
Melting point (Kelvin)
241.15
Boiling point (Celsius)
100.00
Boiling point (Kelvin)
373.15
General information
Molecular weight
146.13g/mol
Molar mass
146.1300g/mol
Density
2.0200g/cm3
Appearence

Dithionic acid is typically a colorless liquid. It is known to be quite unstable and tends to decompose, which makes it challenging to isolate in pure form.

Comment on solubility

Solubility of Dithionic Acid

Dithionic acid, with the chemical formula H2 S2 O6, showcases interesting solubility properties that contribute to its unique chemical behavior. Its solubility can be described as follows:

  • Water Solubility: Dithionic acid is highly soluble in water. Its polarity allows it to effectively interact with water molecules, resulting in a strong hydration shell around the acid molecules.
  • Solvent Interactions: This compound typically exhibits greater solubility in polar solvents due to its ability to form hydrogen bonds.
  • Temperature Effects: Like many acids, the solubility of dithionic acid can increase with temperature. However, the rate of solubility can depend on the specific conditions of the solution.
  • pH Influence: The solubility can also be impacted by the pH of the solution, especially when considering its dissociation into ions.

In conclusion, it's important to note that dithionic acid's high solubility in water and polar solvents makes it quite versatile in various chemical processes, whether in laboratory settings or industrial applications.

Interesting facts

Interesting Facts About Dithionic Acid

Dithionic acid, also known by its systematic name ethanedithiol, is a fascinating compound belonging to the group of sulfonic acids. Here are some intriguing insights about this versatile acid:

  • Chemical Structure: Dithionic acid features a unique structure that includes two sulfonic acid groups. This contributes to its distinctive properties and reactivity.
  • Occurrence: Dithionic acid is typically formed during the oxidation of sulfide minerals and can play a significant role in various geological processes. It is often considered a product of the interaction between sulfide minerals and oxygen.
  • Applications in Research: This compound has garnered attention within scientific communities for its potential applications in the production of sulfur-based fertilizers and other chemical syntheses. Researchers are exploring its utility in creating new materials and compounds.
  • Biochemical Importance: Dithionic acid may also have a role in biological systems, particularly in microbial metabolism, where sulfur intermediates are integral to energy production.
  • Environmental Interaction: The compound’s presence in the environment can affect soil chemistry and nutrients, impacting agricultural practices and sustainability.
  • Safety Concerns: While studying or handling dithionic acid, it is essential to observe proper safety protocols, as with many sulfur-containing compounds, due to its potential reactivity and corrosiveness.

In summary, dithionic acid is more than just a simple chemical entity; it showcases the complex interplay between chemistry and the natural world. As scientists continue to explore its properties and applications, this compound may unveil even more secrets that contribute to our understanding of chemistry and environmental science.

Synonyms
dithionous acid
15959-26-9
dithionige Saeure
hypodisulfurous acid
CHEBI:29253
H2S2O4
bis(hydroxidooxidosulfur)(S--S)
DTXSID70274771
[(HO)(O)SS(O)(OH)]
1,4-dihydrido-2,3-dioxido-1,4-dioxy-2,3-disulfy-[4]catena
((HO)(O)SS(O)(OH))
1,4-dihydrido-2,3-dioxido-1,4-dioxy-2,3-disulfy-(4)catena
DTXCID60226229
Dithionsaure
CHEMBL1794753
Q5283667
Zinc dithionite or zinc hydrosulfite [UN1931] [Class 9]