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Methane

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Identification
Molecular formula
CH4
CAS number
74-82-8
IUPAC name
carbane
State
State

At room temperature, methane exists as a gas. It is the simplest alkane and the main component of natural gas.

Melting point (Celsius)
-182.50
Melting point (Kelvin)
90.70
Boiling point (Celsius)
-161.50
Boiling point (Kelvin)
111.50
General information
Molecular weight
16.04g/mol
Molar mass
16.0430g/mol
Density
0.6560g/cm3
Appearence

Methane is a colorless and odorless gas under standard conditions. It is not visible to the eye and typically only detected through chemical sensors or when it is burned, producing a blue flame.

Comment on solubility

Solubility of Carbane

Carbane, which can be represented chemically as C1H2, exhibits unique solubility characteristics that are noteworthy. Here are some key points:

  • Nonpolar Nature: As a derivative of carbene, carbane is generally considered nonpolar, which significantly influences its solubility behavior.
  • Solubility in Organic Solvents: It tends to be soluble in nonpolar organic solvents such as hexane or benzene, due to the similar nonpolar characteristics of these solvents.
  • Poor Solubility in Water: The solubility of carbane in polar solvents like water is extremely low. This is largely due to the lack of hydrogen bonding capability and the overall hydrophobic nature of the compound.
  • Temperature Dependency: Solubility can also be influenced by temperature, with higher temperatures generally enhancing the solubility of nonpolar compounds.

In conclusion, the solubility of carbane is primarily dictated by its nonpolar structure and the nature of the solvent. It is crucial to consider these factors when working with carbane in various chemical contexts, as they can drastically affect the behavior and reactions of this compound.

Interesting facts

Interesting Facts about Carbane

Carbane is a fascinating compound with unique characteristics that set it apart in the realm of organometallic chemistry. Here are some intriguing aspects:

  • Definition: Carbane is a term used to describe a class of compounds featuring a distinctive carbon atom that has two non-bonding pairs of electrons, making it a highly reactive intermediate in various chemical reactions.
  • Reactivity: Due to its electron-rich nature, carbene can act as a nucleophile, readily participating in multiple reactions, including insertion, cyclopropanation, and metathesis.
  • Stability: While carbanes are often transient species, certain stabilized versions can be isolated and studied. For example, 1H and 13C NMR spectroscopy can be used to analyze their structure and behavior.
  • Applications: Carbanes are widely utilized in synthetic chemistry, particularly in the preparation of complex organic molecules and pharmaceuticals. They are crucial for:
    • Formation of new C–C bonds.
    • Creating novel materials and polymers.
    • Advancing catalytic processes.
  • Historical Insight: The study of carbanes emerged in the mid-20th century and has led to significant advancements in organic synthesis, making them essential to modern chemical research.

In the words of renowned chemist R.B. Woodward, "The creativity of molecular design not only opens the door to new compounds but unlocks the potential of chemistry itself." Carbane exemplifies this principle through its role as a pivotal species in achieving remarkable synthetic transformations and pushing the boundaries of organic chemistry.

Synonyms
Carbon-14
14C radioisotope
Carbon, isotope of mass 14
Carbon C-14
14762-75-5
C-14 radioisotope
CHEBI:36927
DTXSID20873970
7V68J5677O
(14C)methane
14 Carbon
DTXCID601508380
UNII-7V68J5677O
carbon-14 atom
SCHEMBL2060085
SCHEMBL17966363
(14)C
NS00126051
(14)6C
Q840660