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Oct-4-yne

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Identification
Molecular formula
C8H14
CAS number
1942-45-6
IUPAC name
oct-4-yne
State
State

Oct-4-yne is a liquid at room temperature.

Melting point (Celsius)
-88.30
Melting point (Kelvin)
184.85
Boiling point (Celsius)
143.00
Boiling point (Kelvin)
416.15
General information
Molecular weight
110.20g/mol
Molar mass
110.1960g/mol
Density
0.7365g/cm3
Appearence

Oct-4-yne is a colorless liquid with a distinctive odor. It appears clear and is typically free of any suspended particles or color.

Comment on solubility

Solubility of Oct-4-yne

Oct-4-yne, with the chemical formula C8H14, is known for its properties as an alkyne, characterized by a triple bond between carbon atoms. When discussing solubility, several key points emerge:

  • Nonpolar Nature: Due to its symmetrical structure and long carbon chain, oct-4-yne exhibits a nonpolar character, which generally limits its ability to dissolve in polar solvents.
  • Solubility in Organic Solvents: It is highly soluble in nonpolar organic solvents such as:
    • Hexane
    • Chloroform
    • Toluene
  • Poor Solubility in Water: Similar to many hydrocarbons, oct-4-yne shows poor solubility in water, highlighting the general rule that "like dissolves like."
  • Temperature Influence: Solubility can be affected by temperature; often, an increase in temperature leads to greater solubility in organic solvents.

In summary, oct-4-yne's solubility profile is a reflection of its structure, making it ideal for use in organic reactions where nonpolar environments are prevalent, while its hydrophobic nature limits interactions with polar solvents such as water.

Interesting facts

Interesting Facts about Oct-4-yne

Oct-4-yne, a member of the alkyne family, offers fascinating insights into the world of organic chemistry and molecular structure. This linear hydrocarbon is noted for having a triple bond located at the 4th carbon atom of the octane chain, which imparts unique properties and reactivity to the molecule.

Key Characteristics

  • Reactivity: As a terminal alkyne, oct-4-yne can undergo a variety of reactions including hydrogenation, halogenation, and hydroboration, making it a versatile compound in synthetic organic chemistry.
  • Synthesis: The preparation of oct-4-yne generally involves the dehydrohalogenation of an appropriate 1,4-dihaloalkane or other alkyne-forming reactions.
  • Applications: This compound, like many acetylenes, serves as a starting material in the synthesis of pharmaceuticals, agrochemicals, and materials science, showcasing its importance in various industries.

Significance in Chemistry

Oct-4-yne exemplifies how small changes in molecular structure can lead to significant differences in chemical behavior:

  • Triple Bonds: The presence of the triple bond not only enhances reactivity but also affects physical properties.
  • Isomers: Oct-4-yne exists alongside isomers that have varying positions of the triple bond, illustrating how isomerism can influence compound characteristics.

As a keen student or researcher in organic chemistry, understanding compounds like oct-4-yne adds depth to your comprehension of hydrocarbon chemistry. It serves as a reminder of the intricate connections between molecular structure, reactivity, and real-world applications.

Synonyms
4-OCTYNE
Oct-4-yne
Dipropylacetylene
1,2-Dipropylacetylene
IJI0Q2V1Z6
EINECS 217-730-2
UNII-IJI0Q2V1Z6
n-C3H7C.$.CC3H7
DTXSID6074338
DTXCID2036085
gztnbkqttzsqns-uhfffaoysa-n
inchi=1/c8h14/c1-3-5-7-8-6-4-2/h3-6h2,1-2h
1942-45-6
4-Octyne, 99%
3-dithylacetylene
MFCD00009471
AKOS015903071
LS-13466
DB-044852
NS00026328
O0127
D91807
Q230017