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Octadecene

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Identification
Molecular formula
C18H36
CAS number
112-88-9
IUPAC name
octadec-2-ene;octadec-5-ene
State
State

Octadecene is a liquid at room temperature.

Melting point (Celsius)
16.00
Melting point (Kelvin)
289.15
Boiling point (Celsius)
318.00
Boiling point (Kelvin)
591.15
General information
Molecular weight
252.49g/mol
Molar mass
252.4940g/mol
Density
0.7880g/cm3
Appearence

Octadecene is a clear, colorless liquid with a faint hydrocarbon-like odor. It is a type of alpha olefin that appears oily.

Comment on solubility

Solubility of Octadec-2-ene and Octadec-5-ene

Octadec-2-ene (C18H36) and Octadec-5-ene (C18H36) are both alkenes that share identical chemical formulas but differ in their structural configurations. When it comes to their solubility, several key points can be noted:

  • Hydrophobic Nature: Both compounds are largely hydrophobic due to their long hydrocarbon chains, which makes them insoluble in water.
  • Solvents: They exhibit significant solubility in non-polar solvents such as hexane and benzene, allowing for applications in various chemical processes.
  • Temperature Influence: The solubility can increase with temperature; as the kinetic energy of the molecules increases, so does the interaction with non-polar solvents.
  • Geometric Configuration: Although both compounds are similar in structure, their different double bond positions may have subtle effects on their solubility characteristics in specific mixtures.

To emphasize, the solubility of both octadec-2-ene and octadec-5-ene is quite limited in polar solvents, but they are readily soluble in non-polar solvents, making them useful in organic chemistry and related fields.

Interesting facts

Interesting Facts about Octadec-2-ene and Octadec-5-ene

Octadec-2-ene and octadec-5-ene are fascinating compounds belonging to the category of alkenes, which are unsaturated hydrocarbons characterized by the presence of at least one carbon-carbon double bond. These compounds are part of the long-chain alkene family, specifically consisting of 18 carbon atoms.

Key Characteristics

  • Structural Isomers: Octadec-2-ene and octadec-5-ene are structural isomers, meaning they have the same molecular formula but differ in the arrangement of their atoms. This leads to distinct physical and chemical properties, which is a common theme in organic chemistry.
  • Natural Occurrence: Alkenes are commonly found in various natural sources, including vegetable oils and animal fats. They play significant roles in biochemical processes and can also be found in the biosynthesis of certain natural products.
  • Industrial Importance: Alkenes, including octadec-2-ene and octadec-5-ene, serve as vital intermediates in the production of polymers, surfactants, and other chemicals used in numerous industrial applications. They are key components in the manufacture of plastics and lubricants.
  • Chemical Reactions: The presence of the double bond in these compounds allows them to undergo various reactions, such as hydrogenation, hydration, and polymerization. This reactivity is what makes alkenes valuable in organic synthesis.

Applications in Research and Industry

Both octadec-2-ene and octadec-5-ene continue to draw attention in research due to their potential applications:

  • Material Science: They can be utilized in developing new materials with enhanced properties, including flexibility and durability.
  • Fuel Additives: The alkenes can serve as components in formulating more efficient fuels, contributing to cleaner combustion processes.
  • Chemical Synthesis: Their unique structures make them intriguing targets for chemists seeking to design novel compounds through controlled reactions.

In summary, octadec-2-ene and octadec-5-ene exemplify the diversity and utility of alkenes in both natural processes and industrial applications. Their structural variations provide a rich field for exploration in organic chemistry, making them not only important from a scientific perspective but also invaluable in practical applications.