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Cycloheptane

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Identification
Molecular formula
C7H14
CAS number
291-64-5
IUPAC name
cycloheptane
State
State

At room temperature, cycloheptane is a liquid. It is part of the class of compounds known as cycloalkanes, which are saturated hydrocarbons with carbon atoms arranged in a ring.

Melting point (Celsius)
-12.10
Melting point (Kelvin)
260.95
Boiling point (Celsius)
118.40
Boiling point (Kelvin)
391.55
General information
Molecular weight
98.19g/mol
Molar mass
98.1880g/mol
Density
0.8110g/cm3
Appearence

Cycloheptane is a colorless liquid with a faint, characteristic odor similar to the other cycloalkanes. It is typically found in a pure form and has a glossy appearance.

Comment on solubility

Solubility of Cycloheptane

Cycloheptane, with the chemical formula C7H14, exhibits interesting characteristics regarding its solubility. As a cycloalkane, its solubility behavior can be primarily attributed to its non-polar nature.

In terms of solubility:

  • Water Solubility: Cycloheptane is insoluble in water due to its non-polar structure, which prevents it from forming hydrogen bonds with water molecules.
  • Organic Solvents: It is, however, soluble in non-polar organic solvents such as hexane, heptane, and benzene. This is because like dissolves like, which means that non-polar compounds tend to dissolve well in non-polar solvents.
  • Temperature Effects: The solubility of cycloheptane may change slightly with temperature, typically increasing with higher temperatures as the kinetic energy of molecules increases, allowing for better interaction in non-polar solvents.

In conclusion, cycloheptane's solubility profile showcases the importance of molecular characteristics in determining how a compound interacts in different environments. Its complete insolubility in water emphasizes the key principle that polarity plays a fundamental role in solubility behavior.

Interesting facts

Interesting Facts about Cycloheptane

Cycloheptane is an intriguing chemical compound that belongs to the family of cycloalkanes. Known for its unique structure, it features a seven-membered carbon ring. Its discovery dates back to the early 20th century, and since then, it has garnered attention for various applications in organic chemistry and industrial processes.

Key Characteristics

  • Structure: Cycloheptane's ring structure consists of seven carbon atoms, creating a non-aromatic and saturated compound, which means it lacks double bonds and is relatively stable.
  • Conformational Variety: The molecule can adopt several conformations, the most notable being the envelope form and the half-chair form. These shapes play a significant role in its chemical reactivity.
  • Hydrocarbon Versatility: As a hydrocarbon, cycloheptane serves as a starting material for synthesizing more complex organic molecules, making it valuable in both academic research and industrial contexts.

Applications

Cycloheptane's non-polar nature allows it to be utilized in various applications, including:

  • As a solvent in chemical reactions.
  • In the synthesis of other organic compounds.
  • As a reference standard in gas chromatography.

Fun Fact

One of the most fascinating aspects of cycloheptane is its potential existence in the biosynthesis of certain natural products. Researchers are continually exploring the molecule's role in the synthesis pathways of complex organic compounds derived from biological sources.

In summary, cycloheptane is not just a simple hydrocarbon; its unique structural properties and versatility make it a subject of interest for both researchers and industry professionals. As we explore this compound, we gain insights not only into its chemical behaviors but also into the broader applications of cycloalkanes in scientific innovation.

Synonyms
CYCLOHEPTANE
291-64-5
Heptamethylene
Suberane
UNII-VTZ53P34JA
VTZ53P34JA
HSDB 59
NSC 5164
NSC-5164
EINECS 206-030-2
DTXSID0074269
cycloheptan
MFCD00004147
UN2241
Cycloheptane, 98%
HEPTAMETHYLENE [HSDB]
CHEMBL453194
DTXCID1037931
NSC5164
AKOS015903170
DB-047533
Cycloheptane [UN2241] [Flammable liquid]
NS00042145
D89252
Q423957
InChI=1/C7H14/c1-2-4-6-7-5-3-1/h1-7H
206-030-2