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Thiosulfuric acid

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Identification
Molecular formula
H2S2O3
CAS number
865-71-6
IUPAC name
bis(sulfooxy)disulfane
State
State

This compound is often studied as an aqueous solution, given its unstable nature in its pure form. It exists primarily in solution or as its salts.

Melting point (Celsius)
-10.00
Melting point (Kelvin)
263.15
Boiling point (Celsius)
-1.00
Boiling point (Kelvin)
272.15
General information
Molecular weight
146.13g/mol
Molar mass
146.1260g/mol
Density
1.5000g/cm3
Appearence

Thiosulfuric acid, when isolated, appears as a colorless solution. It is hygroscopic in nature and is known mostly through its salts, as the acid form is unstable.

Comment on solubility

Solubility of Bis(sulfooxy)disulfane (H2S2O3)

Bis(sulfooxy)disulfane, with the chemical formula H2S2O3, exhibits unique solubility properties in water. This compound, which contains sulfooxy groups, is notably soluble, mainly due to the presence of these polar functional groups that can engage in hydrogen bonding with water molecules.

Factors Influencing Solubility

The solubility of H2S2O3 can be attributed to several key factors:

  • Polar Nature: The sulfooxy groups (–SO3H) are highly polar, allowing effective interactions with water.
  • Hydrogen Bonding: The ability of the compound to form hydrogen bonds with water molecules significantly enhances solubility.
  • Ionic Interactions: In certain conditions, the dissociation of the sulfonic acid groups can lead to ionic interactions, further increasing solubility.

General Observations

When examining solubility:

  • The compound is highly soluble in cold water.
  • Solubility may decrease in non-polar solvents, highlighting the importance of the solvent's polarity in determining solubility behavior.
  • Temperature and pressure can also influence solubility, though H2S2O3 generally maintains its high solubility across a range of conditions.

In summary, Bis(sulfooxy)disulfane (H2S2O3) is characterized by its remarkable solubility in water, primarily driven by its chemical structure and the ability to form favorable interactions with solvent molecules.

Interesting facts

Interesting Facts About Bis(sulfooxy)disulfane

Bis(sulfooxy)disulfane, a compound with the chemical formula H2S2O3, exhibits unique characteristics that make it significant in the world of chemistry. This compound is notable for its composition of sulfur and oxygen, forming a vital connection between two classes of compounds: sulfides and sulfoxides.

Key Characteristics

  • Oxidation States: The presence of multiple sulfur atoms allows bis(sulfooxy)disulfane to exhibit various oxidation states, showcasing the versatility of sulfur in different environments.
  • Reactivity: As a disulfane, it is known to react with reducing agents, thereby participating in numerous organic and inorganic reactions.
  • Biological Relevance: Compounds containing similar structures are often found in biological systems, particularly in enzymatic processes and as signaling molecules.

Furthermore, the structural configuration of bis(sulfooxy)disulfane can be intriguing for students and researchers alike. It serves as an important compound for studying sulfur chemistry, with applications ranging from industrial processes to biological research.

Fun Fact

Did you know? This compound is often a subject of interest in discussions surrounding sustainable chemistry, particularly in the development of environmentally friendly methods for sulfur handling and utilization!

In conclusion, bis(sulfooxy)disulfane not only enriches our understanding of sulfur-based compounds but also opens doors for future discoveries in chemical synthesis and biological applications.

Synonyms
Trithionic acid
Trithionsaeure
27621-39-2
H2S3O6
CHEBI:29210
DTXSID90182006
[(HO)(O)2SSS(O)2(OH)]
1,5-dihydrido-2,2,4,4-tetraoxido-1,5-dioxy-2,3,4-trisulfy-[5]catena
((HO)(O)2SSS(O)2(OH))
1,5-dihydrido-2,2,4,4-tetraoxido-1,5-dioxy-2,3,4-trisulfy-(5)catena
CHEMBL3754893
DTXCID60104497