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Sodium aurothiosulfate

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Identification
Molecular formula
Na3Au(S2O3)2
CAS number
19153-98-1
IUPAC name
trisodium;dioxido-oxo-thioxo-lambda6-sulfane;gold(1+)
State
State

This compound is solid at room temperature. It is typically found as a powder or crystalline solid with properties that can vary slightly based on its purity and form.

Melting point (Celsius)
420.00
Melting point (Kelvin)
693.15
Boiling point (Celsius)
1 290.00
Boiling point (Kelvin)
1 563.15
General information
Molecular weight
406.07g/mol
Molar mass
406.0740g/mol
Density
3.9700g/cm3
Appearence

Sodium aurothiosulfate is typically a yellow powder due to its gold(I) content. It has a crystalline structure and appears bright under certain lighting conditions. It may also be found as solid crystals that can exhibit a slightly metallic luster.

Comment on solubility

Solubility of Trisodium Dioxido-Oxo-Thioxo-Lambda6-Sulfane Gold(I) Compound

The compound trisodium dioxido-oxo-thioxo-lambda6-sulfane gold(I), with the chemical formula Na3Au(S2O3)2, exhibits unique solubility characteristics that are important to note:

  • Aqueous Solubility: This compound generally shows limited solubility in water. The presence of thiosulfate ions (Au(S2O3)) can contribute to its moderate solubility under specific conditions.
  • Effect of pH: The solubility can be influenced by the pH of the solution. Acidic conditions may enhance solubility due to increased ionization.
  • Temperature Sensitivity: An increase in temperature typically increases the solubility of many salts; however, for this compound, results may vary, requiring empirical testing.
  • Complex Formation: The compound can form complexes with various ligands, potentially altering its solubility in complex matrices.

As a result, understanding the solubility behavior of Na3Au(S2O3)2 is essential for its practical applications in chemistry. It can be summarized that:

  1. Limited solubility in neutral water.
  2. Enhanced solubility in acidic conditions.
  3. Temperature and complexation effects need to be considered for practical purposes.

In conclusion, the solubility profile of this compound is influenced by various factors, making it a subject of intriguing study for chemists and material scientists alike.

Interesting facts

Interesting Facts about Trisodium Dioxido-Oxo-Thioxo-Lambda6-Sulfane Gold(1+)

Trisodium dioxido-oxo-thioxo-lambda6-sulfane gold(1+) is quite a fascinating compound that brings together the elements of sodium, gold, oxygen, and sulfur, creating a unique chemical profile. Here are some intriguing aspects of this compound:

  • Complexity of Composition: This compound contains a sulfur center that is bonded to oxygen in a dioxido structure, showcasing the diverse bonding capabilities of sulfur.
  • Gold's Role: The presence of gold in the +1 oxidation state is significant in various applications, especially in chemistry and materials science, where its unique electronic properties can contribute to catalytic processes.
  • Relevant in Medicine: Gold compounds, including those with complex thiosulfate ligands, have been studied for their potential therapeutic effects, particularly in treatments related to rheumatoid arthritis due to their anti-inflammatory properties.
  • Environmental Considerations: The compound is relevant in discussions about sustainable chemistry as thiosulfate can be involved in detoxifying heavy metals from environmental samples.

As a compound that combines metallic gold with sulfur-containing ligands, trisodium dioxido-oxo-thioxo-lambda6-sulfane gold(1+) holds both scientific intrigue and practical applications. The creativity of nature in producing complex compounds is mirrored in the synthetic strategies used to create such materials in the laboratory. This compound also underscores the interplay between inorganic chemistry and applications in catalysis, environmental science, and medicine.

In summary, the unique characteristics of this compound make it a captivating subject for study and exploration in various scientific fields!

Synonyms
Gold trisodium bis(thiosulphate)
Sanochrysine
trisodium;dioxido-oxo-sulfanylidene-lambda6-sulfane;gold(1+)
Auricidine
Crisalbine
Novacrysin
Solfocrisol
Thiochrysine
Auropex
Auropin
Aurosan
Aurothion
Natrii aurotiosulfas
Aurotiosulfato sodico [DCIT]
Sodium aurothiosulphate dihydrate
Natrium-bis(thiosulfato)aurat(I)
Natrii aurotiosulfas [INN-Latin]
EINECS 233-563-8
Aurotiosulfato sodico
Aurotiosulfate de sodium [INN-French]
Aurotiosulfate de sodium
Thiosulfuric acid, gold(1+) sodium salt (2:1:3)
Thiosulfuric acid, gold(1+) sodium salt(2:1:3), dihydrate