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Penta-1,2-diene

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Identification
Molecular formula
C5H8
CAS number
2452-01-9
IUPAC name
penta-1,2-diene
State
State

Penta-1,2-diene is a liquid at room temperature, known for being a volatile compound due to its low boiling point.

Melting point (Celsius)
-136.00
Melting point (Kelvin)
137.15
Boiling point (Celsius)
47.50
Boiling point (Kelvin)
320.65
General information
Molecular weight
68.12g/mol
Molar mass
68.1170g/mol
Density
0.6913g/cm3
Appearence

Penta-1,2-diene is a colorless liquid. It is often found in the form of a volatile liquid that may have a characteristic hydrocarbon odor, which is common for many alkenes.

Comment on solubility

Solubility of Penta-1,2-diene

Penta-1,2-diene, with the chemical formula C5H6, exhibits interesting solubility characteristics that are important for various chemical applications.

Generally, penta-1,2-diene is classified as a non-polar compound due to the presence of its double bonds and the overall hydrocarbon nature of its structure. As such, its solubility can be summarized as follows:

  • Soluble in organic solvents: Penta-1,2-diene readily dissolves in non-polar organic solvents such as hexane, toluene, and benzene.
  • Insoluble in water: Due to its non-polar characteristics, penta-1,2-diene has low solubility in polar solvents like water, making it a good example of the principle "like dissolves like."

In practical terms, this means that penta-1,2-diene is best utilized in non-aqueous environments where its solubility in organic solvents can be effectively harnessed. Additionally, when experimenting with reaction conditions or formulating compounds that require penta-1,2-diene, it is essential to account for its solubility profile. As a rule of thumb:

  • When considering formulations in organic solvents, expect good solubility.
  • When designing aqueous reactions, anticipate low solubility.

Overall, understanding the solubility of penta-1,2-diene not only aids in practical applications but also enriches the knowledge of hydrocarbon behavior in chemical systems.

Interesting facts

Interesting Facts About Penta-1,2-diene

Penta-1,2-diene is a fascinating organic compound belonging to the class of dienes, specifically a conjugated diene. Its structure consists of five carbon atoms connected by a series of double bonds, which gives it unique chemical properties and reactivity patterns.

Chemical Structure and Properties

  • Conjugation: The presence of alternating double bonds allows for extensive electron delocalization. This contributes to increased stability and distinct reactivity compared to non-conjugated systems.
  • Isomerism: Penta-1,2-diene can exhibit various isomers, leading to interesting possibilities in synthetic pathways and applications.
  • Reactivity: Due to the presence of double bonds, penta-1,2-diene participates readily in reactions such as polymerization, making it a key compound in the production of various polymers.

Applications in Research

Penta-1,2-diene has garnered interest in various fields:

  • Organic Synthesis: It serves as a building block for creating more complex organic molecules.
  • Polymer Chemistry: This compound is utilized in synthesizing rubber and other materials due to its ability to undergo polymerization.
  • Study of Reaction Mechanisms: Its reactivity provides chemists with a model to study mechanisms involving conjugated systems.

Environmental and Safety Considerations

While penta-1,2-diene has significant industrial applications, it is essential to handle it with care. It can be flammable and may pose risks if ingested or improperly handled in the laboratory setting.

In summary, penta-1,2-diene is an intriguing compound with numerous applications and a vital role in modern organic chemistry. Its structural characteristics and chemical properties make it a subject of study for scientists aiming to unlock new pathways in chemical synthesis and materials science.

Synonyms
1,2-PENTADIENE
Penta-1,2-diene
UNII-TQ3OA4EJO9
TQ3OA4EJO9
EINECS 209-737-4
CH2=C=CHCH2CH3
DTXSID40870643
Penta1,2diene
DTXCID20818346
209-737-4
inchi=1/c5h8/c1-3-5-4-2/h5h,1,4h2,2h
lvmtvpfrtkxrph-uhfffaoysa-n
591-95-7
Ethylallene
1-Methyl-2,3-butadiene
ethyl allenoate
1,2-Pentadien
MFCD00039943
NS00043122
P0805
T72673
Q19885531