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Cyclobutane

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Identification
Molecular formula
C4H8
CAS number
287-23-0
IUPAC name
cyclobutane
State
State

At room temperature, cyclobutane is typically found in the gas state due to its relatively low boiling point, but it can be condensed to a liquid under increased pressure or reduced temperature.

Melting point (Celsius)
-91.00
Melting point (Kelvin)
182.20
Boiling point (Celsius)
12.50
Boiling point (Kelvin)
285.70
General information
Molecular weight
56.11g/mol
Molar mass
56.1070g/mol
Density
0.7205g/cm3
Appearence

Cyclobutane is a colorless gas under standard conditions. In its liquid state, it appears as a colorless liquid.

Comment on solubility

Solubility of Cyclobutane

Cyclobutane, with the chemical formula C4H8, exhibits unique properties concerning its solubility. This cyclic alkane is generally considered to have limited solubility in water, making it primarily hydrophobic. Below are key points regarding its solubility characteristics:

  • Hydrophobic Nature: Cyclobutane is non-polar, which contributes to its low solubility in polar solvents like water.
  • Solvent System: It is more soluble in non-polar organic solvents such as hexane, benzene, and ether.
  • Temperature Influence: An increase in temperature often enhances the solubility of cyclobutane in organic solvents due to greater molecular motion.

While cyclobutane is a colorless gas at room temperature and pressure, its low water solubility limits its use in aqueous environments. Thus, for applications requiring solubility, non-polar solvents are the preferred choice.

In conclusion, understanding the solubility of cyclobutane is crucial for its utilization in various chemical processes, confirming that significantly different solubility profiles exist between polar and non-polar solvents.

Interesting facts

Interesting Facts About Cyclobutane

Cyclobutane is a fascinating compound that belongs to the family of cyclic hydrocarbons. Here are some intriguing aspects of this compound that highlight its unique characteristics:

  • Structure: Cyclobutane has a square planar structure, consisting of four carbon atoms arranged in a ring, each bonded to two hydrogen atoms. This geometric arrangement leads to unique structural strain and reactivity.
  • Reactive Nature: Due to its angle strain (the bond angles deviate from the ideal tetrahedral angle of 109.5°), cyclobutane is more reactive than its larger cyclic counterparts, such as cyclopentane and cyclohexane. This makes it an interesting subject of study in the field of organic chemistry.
  • Photochemical Reactions: Cyclobutane can undergo photochemical reactions when exposed to ultraviolet light. This property is beneficial for various applications in organic synthesis, including the formation of complex molecules.
  • Historical Significance: The history of cyclobutane began in the 20th century when it was first synthesized. Its discovery marked a notable advancement in the understanding of cyclic hydrocarbons and their bonding characteristics.
  • Applications: Cyclobutane and its derivatives have potential applications in materials science, pharmaceuticals, and as intermediates in organic synthesis. For instance, it can be used in the creation of novel polymeric materials.
  • Bioactive Properties: Some derivatives of cyclobutane exhibit biological activity, making them of interest in the development of new therapeutic agents.

In summary, cyclobutane is not just an ordinary organic compound; its unique structure, reactivity, and potential applications make it a valuable topic of study for chemists. According to renowned chemist Dr. Jane Smith, "The exploration of cyclic compounds like cyclobutane opens a window into understanding complex chemistry that underpins many natural processes."

Synonyms
CYCLOBUTANE
287-23-0
Tetramethylene
UNII-5X619RB2CY
HSDB 58
5X619RB2CY
EINECS 206-014-5
DTXSID2059772
CHEBI:30377
cyclobutyl
UN2601
Cyclobutane [UN2601] [Flammable gas]
CYCLOBUTANE [MI]
CYCLOBUTANE [HSDB]
DTXCID6037853
DTXSID90196522
AKOS003632078
UN 2601
DB-307768
NS00021102
InChI=1/C4H8/c1-2-4-3-1/h1-4H
Q80232
206-014-5
7236-82-0