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vinyltoluene

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Identification
Molecular formula
C10H12
CAS number
25013-15-4
IUPAC name
1,2-dimethyl-3-vinyl-benzene;1,2-dimethyl-4-vinyl-benzene;1,3-dimethyl-2-vinyl-benzene;1,3-dimethyl-5-vinyl-benzene;1,4-dimethyl-2-vinyl-benzene
State
State

Vinyltoluene is typically found as a liquid at room temperature.

Melting point (Celsius)
-10.00
Melting point (Kelvin)
263.15
Boiling point (Celsius)
173.00
Boiling point (Kelvin)
446.15
General information
Molecular weight
118.20g/mol
Molar mass
118.1960g/mol
Density
0.8807g/cm3
Appearence

Vinyltoluene is a clear, colorless liquid. It has an aromatic odor, which can be described as sweet and fragrant, similar to that of typical styrene compounds. The appearance may, over time or with exposure to air, darken due to oxidation processes.

Comment on solubility

Solubility of Dimethyl Vinyl Benzenes

The solubility of the compounds 1,2-dimethyl-3-vinyl-benzene, 1,2-dimethyl-4-vinyl-benzene, 1,3-dimethyl-2-vinyl-benzene, 1,3-dimethyl-5-vinyl-benzene, and 1,4-dimethyl-2-vinyl-benzene can be influenced by several factors, primarily related to their molecular structure and the presence of functional groups.

Generally, the solubility characteristics of these compounds can be summarized as follows:

  • Polarity: These compounds possess both hydrophobic and hydrophilic regions, which can affect their solubility in various solvents.
  • Solvent Interaction: They tend to dissolve well in organic solvents such as ethanol, acetone, and diethyl ether, but have limited solubility in water due to their non-polar aromatic rings.
  • Molecular Structure: The position of the vinyl group and methyl groups on the benzene ring also plays a significant role in altering the steric and electronic properties, affecting overall solubility.

Typically, vinyl-substituted benzenes exhibit higher solubility in non-polar solvents compared to polar solvents. As a result:

  • Hydrophobic Nature: The presence of multiple methyl groups enhances the hydrophobic character, leading to lower solubility in water.
  • Concentration Dependent: Their solubility may vary with concentration and temperature, with certain forms being more soluble at elevated temperatures.

In conclusion, while these compounds can exhibitVariable solubility based on their structure and the nature of the solvent, they are predominantly soluble in organic media and less so in aqueous environments. Understanding these properties is crucial for their application in chemical processes.

Interesting facts

Exploring Dimethyl-Vinyl Benzenes

Dimethyl-vinyl benzenes are intriguing aromatic compounds that belong to the larger family of styrenic derivatives. These compounds feature a vinyl group attached to a dimethyl-substituted benzene ring, making them of notable interest in various chemical and industrial applications. Let's dive into some fascinating aspects of these compounds:

1. Structural Variations

  • Position Matters: The position of the vinyl group and methyl groups significantly influences the chemical behavior and properties of the compound. There are four different isomers: 1,2-, 1,3-, 1,4-, and 1,2-, 1,3-, 1,4-dimethyl-vinyl-benzenes, each with unique reactivity.
  • Isomeric Influence: The specific arrangement of substituents leads to diverse physical and chemical properties, which can impact their use in synthesizing various materials.

2. Applications and Uses

  • Polymer Production: These compounds serve as vital monomers in the synthesis of polymers and copolymers, especially in the production of high-performance plastics.
  • Materials Science: Due to their reactive vinyl groups, they can undergo polymerization processes that are crucial in producing a variety of materials used in coatings, adhesives, and more.

3. Chemical Properties

  • Reactivity: The presence of both vinyl and aromatic functionalities contributes to their chemical reactivity, allowing for multiple pathways in synthesis and modification.
  • Functionalization: These compounds can be further functionalized to enhance their applicability in areas such as synthetic chemistry, material science, and medicinal chemistry.

4. Research Opportunities

The study of dimethyl-vinyl benzenes opens up numerous avenues for research. Whether it is exploring their reactivity patterns or developing new materials based on these compounds, the potential is vast. As researchers continue to investigate these compounds, we might uncover:

  • Innovative approaches to synthesize novel polymers.
  • Applications in electronic materials and devices.

In summary, 1,2-dimethyl-3-vinyl-benzene, 1,2-dimethyl-4-vinyl-benzene, 1,3-dimethyl-2-vinyl-benzene, 1,3-dimethyl-5-vinyl-benzene, and 1,4-dimethyl-2-vinyl-benzene are compounds rich in structural diversity and applications. Their unique properties and reactivities make them a subject of ongoing scientific inquiry and industrial interest.