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Dimethoxybenzene

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Identification
Molecular formula
C8H10O2
CAS number
91-16-7; 151-10-0; 150-78-7
IUPAC name
1,2-dimethoxybenzene;1,3-dimethoxybenzene;1,4-dimethoxybenzene
State
State

At room temperature, dimethoxybenzene is found as a liquid. It is slightly viscous and can be identified by its aromatic odor.

Melting point (Celsius)
-30.00
Melting point (Kelvin)
243.15
Boiling point (Celsius)
212.20
Boiling point (Kelvin)
485.35
General information
Molecular weight
138.17g/mol
Molar mass
138.1660g/mol
Density
1.0813g/cm3
Appearence

Dimethoxybenzene appears as a colorless to pale yellow liquid. It has a characteristic aromatic odor. The liquid form may be slightly viscous depending on the specific isomer; however, all isomers are typically clear or slightly yellow in color.

Comment on solubility

Solubility of Dimethoxybenzenes

Dimethoxybenzenes, which include 1,2-dimethoxybenzene (C9H10O2), 1,3-dimethoxybenzene (C9H10O2), and 1,4-dimethoxybenzene (C9H10O2), exhibit interesting solubility properties due to their methoxy functional groups. Generally, the solubility of these compounds in water is quite limited, with their behavior influenced by several factors:

  • Polarity: The presence of the two methoxy groups increases the polarity of the molecule; however, they are still predominantly nonpolar.
  • Hydrogen Bonding: While they can engage in hydrogen bonding due to the methoxy groups, the overall hydrophobic character limits solubility in water.
  • Solvent Choice: These compounds are more soluble in organic solvents such as ethanol, methanol, and dichloromethane.

In conclusion, while 1,2-dimethoxybenzene, 1,3-dimethoxybenzene, and 1,4-dimethoxybenzene can dissolve in polar organic solvents, their solubility in water is minimal. **This highlights the importance of solvent compatibility in various chemical applications.**

Interesting facts

1,2-Dimethoxybenzene

1,2-Dimethoxybenzene, also known as o-dimethoxybenzene, is an interesting organic compound within the class of methoxy-substituted benzenes. This compound is notable for its unique structure and diverse applications. Here are some compelling facts:

  • Synthetic pathways: It can be synthesized through methods such as the methylation of catechol.
  • Natural occurrences: This compound can be found in various natural extracts, contributing to the aroma and flavor of some plants.
  • Applications: It is used in the production of fragrances, as well as in the synthesis of other chemicals, demonstrating its versatility in organic chemistry.

1,2-Dimethoxybenzene is particularly valued in the field of materials science and as a precursor for more complex organic compounds.


1,3-Dimethoxybenzene

1,3-Dimethoxybenzene, commonly referred to as m-dimethoxybenzene, is another methoxy-substituted benzene that stands out for its fascinating properties. This compound is characterized by its particular substitution pattern, leading to distinct chemical behaviors:

  • Chemical reactivity: The position of the methoxy groups allows for different reactivity compared to its isomers, making it a valuable target in chemical synthesis.
  • Biological relevance: Studies have shown that compounds like 1,3-dimethoxybenzene can exhibit interesting biological activities, adding to their importance in medicinal chemistry.
  • Critical role in synthesis: It serves as a building block for the synthesis of various organic compounds, aiding in the exploration of new chemical entities.

This compound's distinct properties enable it to play a significant role in research and industrial applications.


1,4-Dimethoxybenzene

1,4-Dimethoxybenzene, known as p-dimethoxybenzene, is characterized by two methoxy groups located on opposite sides of the benzene ring. This unique arrangement leads to specific traits that are noteworthy for both researchers and students:

  • Stability: The para arrangement often creates a more stable electron distribution, influencing its reactivity.
  • Applications in research: It is frequently employed in the synthesis of various organic compounds, especially in the production of dyes and polymers.
  • Natural sources: Certain plants produce this compound as part of their chemical defense mechanisms, showcasing nature's ingenuity.

Researchers continue to explore the potential applications of 1,4-dimethoxybenzene, particularly in fields such as pharmaceuticals and agrochemicals.

Synonyms
27598-81-8
1,2-dimethoxybenzene;1,3-dimethoxybenzene;1,4-dimethoxybenzene