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1-Butyne

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Identification
Molecular formula
C4H6
CAS number
107-00-6
IUPAC name
but-1-yne
State
State
1-Butyne is found in the gaseous state at room temperature.
Melting point (Celsius)
-123.50
Melting point (Kelvin)
149.65
Boiling point (Celsius)
8.00
Boiling point (Kelvin)
281.15
General information
Molecular weight
54.09g/mol
Molar mass
54.0940g/mol
Density
0.6820g/cm3
Appearence

At room temperature, 1-Butyne is a colorless gas. It may have a slight sweet odor.

Comment on solubility

Solubility of But-1-yne

But-1-yne, with the chemical formula C4H6, is an alkyne that exhibits unique solubility characteristics. Generally, hydrocarbons like but-1-yne are non-polar molecules, which directly affects their ability to dissolve in various solvents.

Here are some key points regarding the solubility of but-1-yne:

  • Solvent Compatibility: But-1-yne is soluble in non-polar solvents such as hexane and toluene but is insoluble in water due to the polar nature of water molecules.
  • Temperature Effects: The solubility of but-1-yne in organic solvents can increase with temperature, making it more versatile in various reactions.
  • Gas Behavior: At room temperature and standard atmospheric pressure, but-1-yne exists primarily as a gas, which can affect its interactions and solubility dynamics in gaseous mixtures.

Furthermore, it's essential to note that the non-polar characteristics of but-1-yne contribute to its overall reactivity and interaction with other species. Remember, "like dissolves like": non-polar substances will generally dissolve better in non-polar solvents.

In summary, but-1-yne's solubility is primarily in non-polar environments, highlighting its unique chemical behavior and the importance of solvent choice in chemical reactions.

Interesting facts

Interesting Facts about But-1-yne

But-1-yne, a member of the alkyne family, is a fascinating compound with several noteworthy characteristics. Here are some key insights:

  • Structure and Bonding: But-1-yne features a triple bond between the first two carbon atoms, making it an aliphatic compound. This unique bonding significantly impacts its reactivity compared to alkenes and alkanes.
  • Industrial Applications: It serves as an important precursor in the synthesis of various chemicals, including pharmaceuticals and agrochemicals. The compound's reactivity allows for diverse applications in organic synthesis.
  • Energy Source: But-1-yne can be used as an energy source in certain combustion processes, contributing to its role in fuel applications as well.
  • Isomerism: In addition to its structural significance, but-1-yne exhibits geometric isomerism. Understanding these isomers is essential in fields such as medicinal chemistry, where specific configurations can lead to varying biological activities.
  • Safety Considerations: While working with but-1-yne, safety is paramount. The compound is flammable and requires careful handling to avoid hazards in the laboratory and industrial settings.
  • Historical Context: But-1-yne was first identified in the earlier part of the 20th century, marking a significant step in the understanding of unsaturated hydrocarbons and their reactions.

As a student studying organic chemistry, recognizing the roles of compounds like but-1-yne can deepen your understanding of molecular interactions and practical applications in various industries. It serves as an excellent example of the diversity and complexity present in carbon-based compounds.

Synonyms
1-BUTYNE
but-1-yne
107-00-6
Ethylacetylene
Ethyl acetylene
Ethylethyne
Butyne-1
UN2452
UNII-A6B47CPN6W
EINECS 203-451-3
A6B47CPN6W
Ethylacetylene, inhibited
Ethyl acetylene, inhibited
C2H5C.$.CH
DTXSID4029141
CHEBI:48087
UN 2452
ETHYL ACETYLENE, (STABILIZED)
ETHYL ACETYLENE, [STABILIZED]
Butyne
n-but-1-yne
MFCD00039944
Etilacetileno, inhibido
1-Butyne 98%
Ethylacetylene, stabilise
1-Butyne, >=98%
DTXCID709141
DTXSID30186801
ETHYL ACETYLENE, STABILIZED
Etilacetileno, inhibido (Spanish DOT)
Ethylacetylene, stabilise (French DOT)
DB-030729
NS00021485
Q161597
Ethylacetylene, inhibited [UN2452] [Flammable gas]