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Methoxytoluene

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Identification
Molecular formula
C8H10O
CAS number
100-84-5; 100-86-7; 104-93-8
IUPAC name
1-methoxy-2-methyl-benzene;1-methoxy-3-methyl-benzene;1-methoxy-4-methyl-benzene
State
State

All three isomers are liquids at room temperature.

Melting point (Celsius)
-30.00
Melting point (Kelvin)
243.15
Boiling point (Celsius)
237.00
Boiling point (Kelvin)
510.15
General information
Molecular weight
122.17g/mol
Molar mass
122.1650g/mol
Density
0.9580g/cm3
Appearence

1-Methoxy-2-methylbenzene is a colorless liquid with a pleasant and distinctive odor.

1-Methoxy-3-methylbenzene is also a colorless liquid, sharing a similar sweet, aromatic smell.

1-Methoxy-4-methylbenzene, more commonly known as p-anisaldehyde when referred to in some contexts regarding its use as a precursor, also appears as a colorless liquid and has a sweet, floral smell reminiscent of anise.

Comment on solubility

Solubility of 1-Methoxy-2-methyl-benzene, 1-Methoxy-3-methyl-benzene, and 1-Methoxy-4-methyl-benzene

The solubility of the compounds 1-methoxy-2-methyl-benzene, 1-methoxy-3-methyl-benzene, and 1-methoxy-4-methyl-benzene is influenced by their molecular structure and polarity. These compounds, also known commonly as o-cresol, m-cresol, and p-cresol, exhibit variations in solubility due to the position of the methoxy group in relation to the methyl group.

Factors Affecting Solubility

  • Polarity: The presence of the methoxy group (-OCH3) increases the polarity of these compounds, enhancing their ability to interact with polar solvents such as water.
  • Hydrogen Bonding: The methoxy group can participate in hydrogen bonding, which can lead to increased solubility in polar solvents.
  • Hydrocarbon Structure: The aromatic ring contributes to some degree of hydrophobic character, which may limit their solubility in water.

In general, 1-methoxy-2-methyl-benzene and 1-methoxy-4-methyl-benzene tend to have higher solubility in organic solvents, while 1-methoxy-3-methyl-benzene may show different solubility characteristics due to steric effects and molecular interactions. It is important to note that while these compounds are more soluble in organic solvents, their solubility in water can still be modest due to the methoxy group's contribution to polarity.

Overall, understanding the solubility patterns of these compounds can provide insights into their reactivity and potential applications in various chemical processes.

Interesting facts

Interesting Facts about 1-Methoxy-2-methyl-benzene, 1-Methoxy-3-methyl-benzene, and 1-Methoxy-4-methyl-benzene

1-Methoxy-2-methyl-benzene, 1-Methoxy-3-methyl-benzene, and 1-Methoxy-4-methyl-benzene, commonly known as o-cresol, m-cresol, and p-cresol respectively, are fascinating aromatic compounds that showcase the versatility of methoxy(-OCH3) substitutions on the benzene ring. Each isomer presents unique properties and applications in various fields.

Unique Characteristics

  • O-Cresol: Known for its antibacterial properties, o-cresol is often utilized in antiseptic formulations.
  • M-Cresol: This isomer is used in the synthesis of a variety of pharmaceuticals and also acts as a disinfectant.
  • P-Cresol: P-cresol has industrial applications in the production of resins and plastics, and is a significant intermediate in organic synthesis.

Applications and Uses

Each of these compounds contributes significantly to both industrial and laboratory settings. Their applications include:

  • Solvents in chemical reactions
  • Preservatives for biological samples
  • Building blocks in organic chemistry for synthesizing more complex molecules

Environmental and Health Considerations

Despite their usefulness, it is essential to handle these compounds with care as they can be toxic. Here are a few health and environmental precautions:

  • Exposure can lead to skin irritation and respiratory issues.
  • Proper ventilation is crucial when working with these chemicals.
  • Always utilize personal protective equipment (PPE) such as gloves and masks.

As you explore the characteristics of these methoxy-substituted methyl benzenes, remember that the positioning of the methoxy group significantly influences the compound's chemical behavior and reaction pathways. This exemplifies the beauty and complexity of organic chemistry!

Synonyms
Benzene, methoxymethyl-
26897-24-5
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