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1,2-Dibromo-3,4-dimethylbenzene

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Identification
Molecular formula
C8H8Br2
CAS number
583-53-9
IUPAC name
1,2-dibromo-3,4-dimethyl-benzene;1,2-dibromo-3,5-dimethyl-benzene;1,2-dibromo-4,5-dimethyl-benzene;1,3-dibromo-2,4-dimethyl-benzene;1,5-dibromo-2,3-dimethyl-benzene
State
State

The compound is in a liquid state at room temperature.

Melting point (Celsius)
12.00
Melting point (Kelvin)
285.15
Boiling point (Celsius)
282.00
Boiling point (Kelvin)
555.15
General information
Molecular weight
267.96g/mol
Molar mass
263.9440g/mol
Density
1.6725g/cm3
Appearence

1,2-Dibromo-3,4-dimethylbenzene is a colorless to pale yellow liquid with a characteristic aromatic odor. It is generally observed in a liquid state at room temperature, although impurities and storage conditions can affect its color and appearance.

Comment on solubility

Solubility of 1,2-Dibromo-3,4-dimethyl-benzene, 1,2-Dibromo-3,5-dimethyl-benzene, 1,2-Dibromo-4,5-dimethyl-benzene, 1,3-Dibromo-2,4-dimethyl-benzene, and 1,5-Dibromo-2,3-dimethyl-benzene

When it comes to the solubility of these dibrominated dimethylbenzenes, there are several factors to consider. All of these compounds are derivatives of benzene that contain both bromine and methyl substituents, which influence their solubility in various solvents.

Key Points about Solubility:

  • Nonpolar Characteristics: The presence of bromine and methyl groups gives these compounds a largely nonpolar nature, making them more soluble in nonpolar solvents.
  • Solubility in Organic Solvents: They tend to dissolve well in organic solvents like hexane, toluene, and dichloromethane due to similar intermolecular forces.
  • Poor Water Solubility: Given their nonpolar character, these compounds exhibit very low solubility in water. The polarity of water does not favor interaction with these largely nonpolar compounds.
  • Substituent Effects: The specific positions of the bromine and methyl groups can also affect solubility slightly, but the overall trend remains consistent.

In conclusion, while these dibromo-dimethylbenzenes may find utility in specific organic solutions, their nonpolar characteristics render them generally insoluble in polar solvents like water. Thus, understanding their solubility profiles is crucial for applications in chemical processes and reactions.

Interesting facts

Interesting Facts About Dibromo-Dimethyl-Benzenes

The dibromo-dimethyl-benzenes are a fascinating family of organic compounds notable for their interesting structural variations and versatility in chemical reactions. Here are some intriguing aspects of these compounds:

  • Complexity in Structure: Each compound within this group has distinct substitution patterns of bromine and methyl groups on the benzene ring, leading to a variety of physical and chemical properties.
  • Reactivity: The presence of bromine atoms makes these compounds highly reactive, particularly in nucleophilic substitution reactions, often serving as intermediates in synthesis.
  • Applications: These compounds can be used in the manufacture of various organic syntheses such as dyes, pesticides, and pharmaceuticals.
  • Isomeric Variants: The different positions of bromine and methyl substitutions lead to a diverse range of isomers; for instance, 1,2-dibromo-3,4-dimethyl-benzene vs. 1,2-dibromo-4,5-dimethyl-benzene can show noticeable differences in properties and reactivity.
  • Impact on Biological Systems: Some dibromo-dimethyl-benzenes have been studied for their potential biological activity, including interactions with enzymes and receptors, which open pathways for medicinal chemistry.

In conclusion, the dibromo-dimethyl-benzenes represent a group of compounds where the smallest change in structure can lead to significant differences in behavior and reactivity. As one renowned chemist once said, "The beauty of chemistry lies not only in the patterns we see but also in the complexity they can create."