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Pent-2-yne

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Identification
Molecular formula
C5H8
CAS number
627-00-9
IUPAC name
pent-2-yne
State
State

At room temperature, Pent-2-yne is a liquid.

Melting point (Celsius)
-101.00
Melting point (Kelvin)
172.15
Boiling point (Celsius)
85.00
Boiling point (Kelvin)
358.15
General information
Molecular weight
68.12g/mol
Molar mass
68.1170g/mol
Density
0.6931g/cm3
Appearence

Pent-2-yne is a colorless liquid. It may have a slight odor characteristic of hydrocarbons.

Comment on solubility

Solubility of Pent-2-yne

Pent-2-yne (C5H8), an alkyne with a triple bond between the second and third carbon atoms, exhibits distinctive solubility characteristics.

The solubility of pent-2-yne can be summarized as follows:

  • Non-polar Nature: Due to its non-polar hydrocarbon structure, pent-2-yne is insoluble in water.
  • Soluble in Organic Solvents: It readily dissolves in organic solvents such as:
    • Hexane
    • Ether
    • Chloroform
  • Limited Intermolecular Forces: The weak van der Waals forces present in pent-2-yne facilitate its solubility in non-polar environments.

In summary, "`pent-2-yne`" showcases a clear affinity for non-polar solvents while remaining effectively insoluble in polar solvents like water. This solubility behavior is crucial in various applications, particularly in organic synthesis and reactions involving hydrocarbon compounds.

Interesting facts

Interesting Facts About Pent-2-yne

Pent-2-yne, a member of the alkyne family, features a triple bond between carbon atoms, providing it with unique properties and reactivity. Here are some fascinating points about this compound:

  • Structure and Isomerism: Pent-2-yne has a linear structure that allows for multiple isomers. The location of the triple bond differentiates it from other forms of pentyne, such as 1-pentyne and 3-pentyne, showcasing the complexity and versatility of carbon chemistry.
  • Reactivity: As an alkyne, pent-2-yne can undergo various reactions including hydrohalogenation, hydration, and hydrogenation. This makes it a valuable substrate in synthetic organic chemistry.
  • Applications: Pent-2-yne finds uses in the synthesis of more complex molecules and materials. Its properties make it an important intermediate in the production of pharmaceuticals and agrochemicals.
  • Physical Properties: While specific physical properties are not detailed here, alkynes generally have distinct boiling and melting points compared to alkenes and alkanes, which can be attributed to their linear structure and the presence of the triple bond.
  • Safety Considerations: Like many alkynes, pent-2-yne should be handled with care due to its flammability and potential health hazards. Proper safety protocols, including the use of personal protective equipment, are essential in laboratory settings.

In summary, pent-2-yne not only serves as a fascinating example of alkyne chemistry but also plays a significant role in both industrial applications and academic research, making it a compound worth understanding and exploring.

Synonyms
2-PENTYNE
627-21-4
Pent-2-yne
UNII-57NG6HKI9D
57NG6HKI9D
EINECS 210-989-2
METHYL ETHYL ACETYLENE
C2H5C.$.CCH3
DTXSID80211758
Pent2yne
DTXCID10134249
210-989-2
inchi=1/c5h8/c1-3-5-4-2/h3h2,1-2h
nktdtmonxhodti-uhfffaoysa-n
un3295
Ethylmethylacetylene
1-Ethyl-2-methylacetylene
2-Pentyne, 98%
MFCD00009380
AKOS015841148
DB-054262
NS00035145
P0628
D91988
Q10844269