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Difluoromethylarsine

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Identification
Molecular formula
CH3AsF2
CAS number
373-79-9
IUPAC name
difluoro(methyl)arsane
State
State

At room temperature, difluoromethylarsine is typically a liquid given its boiling point is slightly below room temperature; however, it may also be found as a volatile gas due to its low boiling point.

Melting point (Celsius)
-106.00
Melting point (Kelvin)
167.15
Boiling point (Celsius)
-8.00
Boiling point (Kelvin)
265.15
General information
Molecular weight
129.94g/mol
Molar mass
129.9390g/mol
Density
2.7550g/cm3
Appearence

Difluoromethylarsine is a colorless liquid, though it may appear as a gas at slightly higher temperatures due to its low boiling point. It is highly toxic and its appearance does not give away its hazardous properties.

Comment on solubility

Solubility of Difluoro(methyl)arsane

Difluoro(methyl)arsane, with the chemical formula H3AsF2, presents unique solubility characteristics that are important to understand for applications and studies in various fields. The solubility of this compound can be affected by several factors:

  • Polarity: Difluoro(methyl)arsane contains both polar and non-polar characteristics, which influences its interaction with solvents.
  • Solvent Compatibility: It tends to be more soluble in organic solvents due to its methyl group compared to its inorganic counterparts.
  • Temperature Influence: Generally, solubility often increases with temperature. Therefore, warm environments might enhance the dissolution rate of this compound.
  • Interactions: The presence of fluorine atoms in the structure contributes to stronger molecular interactions, which could decrease solubility in polar solvents like water.

While specific solubility data for difluoro(methyl)arsane in various solvents may be limited, it is essential to follow the general principle that “like dissolves like,” meaning that compounds with similar polarities are more likely to be miscible. Understanding these factors can greatly aid in predicting the behavior of difluoro(methyl)arsane in both industrial and laboratory settings.

Interesting facts

Interesting Facts about Difluoro(methyl)arsane

Difluoro(methyl)arsane is a fascinating organoarsenic compound that demonstrates the complex relationships between halogens and heavier p-block elements. As an organometallic compound, its unique structure and properties pique the interest of chemists due to the following reasons:

  • Toxicity and Environmental Impact: Organoarsenic compounds, including difluoro(methyl)arsane, are known for their toxic effects and potential environmental hazards. Arsenic itself is a notoriously poisonous element, leading to significant health issues upon exposure. Thus, understanding its derivatives is crucial in chemistry and environmental science.
  • Use in Synthesis: This compound can serve as an intermediate in the synthesis of more complex organoarsenic compounds, which may play roles in agricultural or pharmaceutical applications. The fluorine substituents often enhance the reactivity and stability of the compound, making it a valuable tool in organic synthesis.
  • Study of Arsenic Chemistry: Investigating difluoro(methyl)arsane enhances our understanding of arsenic’s behavior in organometallic chemistry, particularly how the presence of carbon-fluorine bonds can influence the reactivity and bonding properties of arsenic.
  • Radical Chemistry: The presence of fluorine in this compound can lead to unique radical species during reactions, making it a topic of interest in the study of radical chemistry. The reactivity patterns may differ significantly when compared to its non-fluorinated counterparts.

As researchers dive deeper into the chemistry of organoarsenic compounds like difluoro(methyl)arsane, they continue to unravel complex properties and potential applications that could impact various fields such as medicinal chemistry, materials science, and even toxicology. The journey through arsenic chemistry is undoubtedly filled with surprises and discoveries!

Synonyms
ARSINE, DIFLUOROMETHYL
TL 467
420-24-6
Methyl difluoroarsine
BRN 1731056
Arsonous difluoride, methyl-
DTXSID10194808
3-04-00-01796 (Beilstein Handbook Reference)
Methyldifluoroarsine
difluoro(methyl)arsane
Methylarsonous difluoride #
DTXCID10117299