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Diethylbenzene

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Identification
Molecular formula
C10H14
CAS number
25340-17-4; 141-93-5; 105-05-5
IUPAC name
1,2-diethylbenzene;1,3-diethylbenzene;1,4-diethylbenzene
State
State

Diethylbenzene is found in the liquid state at room temperature.

Melting point (Celsius)
-25.60
Melting point (Kelvin)
247.60
Boiling point (Celsius)
185.30
Boiling point (Kelvin)
458.50
General information
Molecular weight
134.22g/mol
Molar mass
134.2220g/mol
Density
0.8669g/cm3
Appearence

1,2-Diethylbenzene appears as a colorless liquid with a distinct aromatic odor. It's clear and transparent.

1,3-Diethylbenzene is a colorless liquid that is also clear and exhibits an aromatic scent.

1,4-Diethylbenzene similarly appears as a colorless liquid, retaining the clear and transparent characteristics, accompanied by an aromatic odor.

Comment on solubility

Solubility of Diethylbenzenes

The solubility of 1,2-diethylbenzene, 1,3-diethylbenzene, and 1,4-diethylbenzene in various solvents presents an interesting scenario for chemical interactions influenced by molecular structure.

General Characteristics:

  • Hydrophobic Nature: The diethylbenzene compounds are primarily hydrophobic due to their large hydrocarbon chains, making them poorly soluble in water.
  • Organic Solvents: These compounds exhibit good solubility in organic solvents such as ethanol, diethyl ether, and benzene due to similar non-polar characteristics.
  • Isomeric Variations: The solubility can vary among the isomers due to their different spatial arrangements, potentially affecting interactions with solvents.

Solubility Insights:

As the diethylbenzene compounds are analyzed:

  • Due to their non-polar nature, they may dissolve effectively in non-polar solvents, promoting dispersion forces.
  • The 1,4-diethylbenzene isomer may show marginally better solubility compared to the other isomers because of its symmetrical structure, which can lead to favorable packing in organic media.

In summary, while 1,2-diethylbenzene, 1,3-diethylbenzene, and 1,4-diethylbenzene generally exhibit low solubility in water, they demonstrate a greater affinity for organic solvents, showcasing their practical importance in various chemical applications.

Interesting facts

Interesting Facts about Diethylbenzenes

Diethylbenzenes are isomers, which means they share the same molecular formula but differ in the arrangement of their atoms. Here, we focus on three specific isomers: 1,2-diethylbenzene, 1,3-diethylbenzene, and 1,4-diethylbenzene. Each variant displays unique properties and reactivity, contributing to their distinct profiles in chemical applications.

1. Variety of Applications

  • Solvent Usage: These compounds are commonly utilized as solvents in organic synthesis and industrial processes.
  • Intermediate in Synthesis: Diethylbenzenes can serve as intermediates for producing dyes, perfumes, and various pharmaceuticals.
  • Research Purposes: These compounds are integral to studies involving aromatic compounds and their derivative behavior.

2. Structure-Property Relationship

The position of the ethyl groups on the benzene ring significantly influences their chemical behavior:

  • 1,2-Diethylbenzene: Also known as ortho-diethylbenzene, exhibits different physical and chemical properties compared to its counterparts due to steric interactions.
  • 1,3-Diethylbenzene: Known as meta-diethylbenzene, this isomer often demonstrates unique reactivity patterns, making it interesting for further study.
  • 1,4-Diethylbenzene: Commonly referred to as para-diethylbenzene, is an important building block in forming polymers and advanced materials.

3. Safety and Handling

While diethylbenzenes are valuable in many applications, it is essential to handle them with care:

  • Proper protective equipment should be worn to prevent skin contact and inhalation of vapors.
  • Storage in advised conditions is necessary to minimize hazards, such as flammability.

In summary, the diethylbenzenes are more than just chemical compounds; they are pivotal in various industrial and academic applications. The careful study and application of these isomers can lead to significant advancements in chemical research and development.

Synonyms
Diethylbenzene, 95%
1,2-diethylbenzene;1,3-diethylbenzene;1,4-diethylbenzene
1,3-diethylbenzene, 1,4-diethylbenzene, 1,2-diethylbenzene
SBB061169
AKOS024390934
NCGC00249241-01
CS-0450385
D0480
D3378
ST51047221
1,2-diethylbenzene compound with 1,3-diethylbenzene and 1,4-diethylbenzene (1:1:1)