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Pentamethylbenzene

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Identification
Molecular formula
C11H16
CAS number
700-12-9
IUPAC name
1,2,3,4,5-pentamethylbenzene
State
State

At room temperature, pentamethylbenzene is typically in a solid state. This is due to its crystalline structure and melting point.

Melting point (Celsius)
54.00
Melting point (Kelvin)
327.15
Boiling point (Celsius)
256.00
Boiling point (Kelvin)
529.15
General information
Molecular weight
148.24g/mol
Molar mass
148.2390g/mol
Density
0.9424g/cm3
Appearence

Pentamethylbenzene is a white crystalline solid. Its structure consists of a benzene ring with five methyl groups substituting for hydrogen atoms around the ring, giving it a distinctive crystalline appearance.

Comment on solubility

Solubility of 1,2,3,4,5-Pentamethylbenzene

1,2,3,4,5-pentamethylbenzene, also known as pentamethylbenzene, exhibits interesting solubility characteristics that are important to consider in various chemical applications.

Here are some key points regarding its solubility:

  • Solvent Types: This compound is predominantly soluble in non-polar solvents due to its hydrophobic nature. Organic solvents such as hexane, benzene, and other aliphatic hydrocarbons are ideal for dissolving 1,2,3,4,5-pentamethylbenzene.
  • Water Solubility: The compound is practically insoluble in water. The presence of five methyl groups creates a bulkier structure that disfavors interactions with polar solvents like water.
  • Concentration and Temperature: Solubility can also depend on the concentration of the solution and the temperature. Increased temperatures can provide enhanced solubility in organic solvents.

In conclusion, while 1,2,3,4,5-pentamethylbenzene is soluble in non-polar solvents, its inability to dissolve in water underscores the importance of selecting appropriate solvents for reactions and applications involving this unique compound.

Interesting facts

Interesting Facts About 1,2,3,4,5-Pentamethylbenzene

1,2,3,4,5-pentamethylbenzene, often referred to as pentamethylbenzene, is a fascinating aromatic hydrocarbon due to its unique structure and properties. Here are some intriguing aspects of this compound:

  • Structure: The compound features a benzene ring with five −CH3 (methyl) groups attached at the 1, 2, 3, 4, and 5 positions. This arrangement not only enhances its steric bulk but also offers interesting implications in reactivity and stability.
  • Symmetry: With its symmetrical layout, 1,2,3,4,5-pentamethylbenzene is a prime example of how symmetry can influence molecular interactions and properties, making it an excellent case study in molecular chemistry.
  • Uses in Research: This compound is useful in various fields, including materials science and organic synthesis. Researchers study it to understand substitution patterns in aromatic compounds and their effects on reactivity.
  • Solvent Applications: Because of its unique solvent properties, pentamethylbenzene is occasionally used in complex organic reactions, particularly in creating tailored reaction environments.
  • Historical Significance: The synthesis and exploration of such compounds have contributed to the development of modern organic chemistry, highlighting the significance of multi-substituted aromatics in scientific research.

Overall, 1,2,3,4,5-pentamethylbenzene represents much more than just a molecule; it is a gateway into understanding more complex chemical dynamics and behavior.

Synonyms
PENTAMETHYLBENZENE
1,2,3,4,5-Pentamethylbenzene
Benzene, pentamethyl-
Pentamethylbenzol
Benzene, 1,2,3,4,5-pentamethyl-
H6JLD3AI98
NSC 1889
NSC-1889
EINECS 211-837-8
UNII-H6JLD3AI98
DTXSID6061024
CHEBI:38998
pentamethylenebenzene
Benzene, pentamethyl
1,2,3,4,5Pentamethylbenzene
DTXCID8046614
Benzene, 1,2,3,4,5pentamethyl
211-837-8
bezddpmmpidmgj-uhfffaoysa-n
inchi=1/c11h16/c1-7-6-8(2)10(4)11(5)9(7)3/h6h,1-5h
un1325
700-12-9
MFCD00008522
Pentamethylbenzene, 98%
1,3,4,5-Pentamethylbenzene
CHEMBL5316190
NSC1889
1,2,3,4,5-pentamethyl-benzene
AAA70012
AKOS000121593
CS-W010978
CS-17338
DB-074240
NS00022713
P0043
EN300-21222
Q424944
F0001-1815
Z104494472
Benzene, 1,2,3,4,5-pentamethyl- benzene,pentamethyl- pentamethyl-benzen 1,2,3,4,5-PENTAMETHYLBENZENE Pentamethyl phenyl
Benzene, 1,2,3,4,5-pentamethyl-; Benzene, pentamethyl- (8CI,9CI); 1,2,3,4,5-Pentamethylbenzene; NSC 1889; Pentamethylbenzene