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Dimethylarsenic dithioxide

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Identification
Molecular formula
C2H6As2S2
CAS number
144-49-0
IUPAC name
methyl-[methyl(thioxo)-lambda5-arsanylidene]-thioxo-lambda5-arsane
State
State

At room temperature, dimethylarsenic dithioxide is generally a liquid. Particular conditions such as pressure and presence of impurities can facilitate its conversion into a solid state.

Melting point (Celsius)
-30.00
Melting point (Kelvin)
243.15
Boiling point (Celsius)
140.00
Boiling point (Kelvin)
413.15
General information
Molecular weight
186.10g/mol
Molar mass
186.0960g/mol
Density
2.5500g/cm3
Appearence

Dimethylarsenic dithioxide typically appears as a colorless to pale yellow liquid or solid. The compound might have a distinctive odor associated with its organic arsenic composition. In its crystalline form, it can show varying degrees of translucence depending on purity.

Comment on solubility

Solubility of methyl-[methyl(thioxo)-lambda5-arsanylidene]-thioxo-lambda5-arsane

The solubility of the compound methyl-[methyl(thioxo)-lambda5-arsanylidene]-thioxo-lambda5-arsane (C2H6As2S2) showcases some intriguing characteristics, primarily due to its complex structure. Understanding its solubility can be informed by several factors:

  • Solute interactions: The presence of arsenic and sulfur in the compound suggests potential interactions with polar solvents.
  • Polarity: The thioxo (–S=) functional groups may enhance solubility in polar solvents while potentially decreasing solubility in non-polar environments.
  • Temperature dependence: As is common with many organoarsenic compounds, solubility may vary significantly with changes in temperature.
  • Concentration effects: At higher concentrations, solubility may be affected by aggregation or precipitation.

It is often noted that "like dissolves like," meaning that, in general, polar compounds will tend to dissolve well in polar solvents, while non-polar compounds prefer non-polar solvents. For this compound, one could predict:

  • Higher solubility in organic solvents such as alcohols or dimethyl sulfoxide (DMSO).
  • Limited solubility in pure water, due to the non-polar aspects of the arsenic and sulfur components.

Overall, while precise solubility data may be scarce for such specialized compounds, it is crucial to consider the specific solvent interactions and environmental conditions to accurately gauge its solubility behavior.

Interesting facts

Interesting Facts about Methyl-[methyl(thioxo)-lambda5-arsanylidene]-thioxo-lambda5-arsane

This fascinating compound, known as methyl-[methyl(thioxo)-lambda5-arsanylidene]-thioxo-lambda5-arsane, presents an intriguing study in the realm of organoarsenic chemistry. Here are some noteworthy aspects:

  • Organometallic Connections: This compound exemplifies the relationship between organic chemistry and metal complexes, showcasing how arsenic can be integrated into organic frameworks.
  • Thioxo Groups: The presence of thioxo groups (S=O) indicates that sulfur plays a critical role in influencing the properties of the compound, such as its reactivity and possible applications in materials science.
  • Lambda Notation: The term lambda in the name refers to the specific valency state of arsenic, which is important in understanding its behavior and bonding characteristics. In this case, it predominately follows a coordination number that can influence the geometry of the compound.
  • Potential Applications: Organosulfur and organoarsenic compounds have garnered attention for their potential applications in fields such as medicinal chemistry and agriculture due to their biological activity.
  • Unique Structural Features: The methyl substituents add steric complexity, affecting how the compound interacts with other molecules, which is crucial for its effectiveness in various applications.

As a chemist or student, studying such compounds illustrates the vast possibilities found within chemical combinations and broaden our understanding of how subtle differences at the molecular level can lead to unique properties and functions. This compound invites further exploration into its synthesis and potential uses, encouraging research that might uncover novel applications in various scientific disciplines!

Synonyms
ARSINE SULFIDE, DIMETHYLDI-
13367-92-5
DTXSID60158298
YWUWXRNXJPVSGP-UHFFFAOYSA-N