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Cymene

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Identification
Molecular formula
C10H14
CAS number
99-87-6
IUPAC name
1-isopropyl-2-methyl-benzene
State
State

At room temperature, cymene is typically in a liquid state. It is known for its hydrophobic nature and its ability to dissolve in organic solvents.

Melting point (Celsius)
-68.20
Melting point (Kelvin)
204.95
Boiling point (Celsius)
177.10
Boiling point (Kelvin)
450.25
General information
Molecular weight
134.22g/mol
Molar mass
134.2210g/mol
Density
0.8570g/cm3
Appearence

Cymene generally appears as a colorless liquid that emits a mild, pleasant aromatic odor. It is commonly found in two isomers based on the position of the methyl and isopropyl groups, with the most common being p-cymene.

Comment on solubility

Solubility of 1-isopropyl-2-methyl-benzene

The compound 1-isopropyl-2-methyl-benzene, commonly known as cumene, exhibits interesting solubility characteristics due to its structural composition. Being an aromatic hydrocarbon, here are some key points regarding its solubility:

  • Nonpolar Nature: 1-isopropyl-2-methyl-benzene is primarily nonpolar, which means it has limited solubility in polar solvents like water.
  • Solubility in Organic Solvents: However, it is highly soluble in nonpolar organic solvents, such as:
    • Hexane
    • Toluene
    • Chloroform
  • Temperature Dependence: The solubility of aromatic compounds often increases with temperature, indicating that higher temperatures can improve solubility in organic media.

In summary, while 1-isopropyl-2-methyl-benzene shows poor solubility in water, it is readily soluble in nonpolar solvents, making it suitable for various industrial applications. The phrase "like dissolves like" holds true in this case, illustrating the principle of solubility behavior among similar molecular structures.

Interesting facts

Interesting Facts about 1-Isopropyl-2-methyl-benzene

1-Isopropyl-2-methyl-benzene, commonly known as pseudo-cumene, is an intriguing hydrocarbon compound that belongs to the class of alkylated benzenes. Its unique structure features a benzene ring with two substituents, an isopropyl group and a methyl group, which contributes to several interesting properties and applications.

Key Features and Applications

  • Industrial Relevance: Pseudo-cumene is primarily utilized as an intermediate in the production of various chemicals, specifically phenolic resins and plastics. This encourages its presence in many industrial processes.
  • Solvent Properties: Due to its organic nature, it serves as an effective solvent in different chemical reactions, making it beneficial in the laboratory setting.
  • Acoustic Properties: Studies have shown that pseudo-cumene can be a component in the formulation of materials used for acoustic applications, owing to its unique molecular interactions.

Health and Safety Considerations

While working with 1-isopropyl-2-methyl-benzene, it’s essential to consider safety precautions:

  • Potential Hazards: Being a volatile organic compound (VOC), it can contribute to air pollution and may pose health risks if inhaled in large quantities.
  • Protective Equipment: Use proper ventilation, gloves, and goggles to minimize exposure during laboratory handling.

Fun Fact

Despite its complex name, the compound is often simply referred to as pseudo-cumene because of its structural resemblance to cumene but with its unique branching. The study of such compounds can give insights into the vast world of organic chemistry and molecular interactions!

Synonyms
O-CYMENE
2-Isopropyltoluene
527-84-4
o-Cymol
o-Isopropyltoluene
CYMENE, ORTHO
1-Methyl-2-(1-methylethyl)benzene
1-Methyl-2-isopropylbenzol
HSDB 3427
EINECS 208-426-0
NSC 73976
BRN 1850838
UNII-2T13HF3266
NSC-73976
2T13HF3266
4-05-00-01057 (Beilstein Handbook Reference)
208-426-0
1-Isopropyl-2-methylbenzene
1-methyl-2-propan-2-ylbenzene
1-Methyl-2-isopropylbenzene
ortho-cymene
Benzene, methyl(1-methylethyl)-
Benzene, 1-methyl-2-(1-methylethyl)-
1-methyl,2-n-isopropylbenzene
25155-15-1
1-(1-methylethyl)-2-methylbenzene
1-Methyl-2-(1-methylethyl)-benzene
2-Isopropyltoluene 100 microg/mL in Acetonitrile
isopropyl toluene
cymene (ortho-)
MFCD00008888
o-Cymene, 98%
2-Methylisopropylbenzene
O-ISOPROPELTOLUENE
O-CYMENE [MI]
O-Mentha-1,3,5-triene
DTXSID1052165
CHEBI:89263
1-methyl-2-(propan-2-yl)benzene
NSC73976
AKOS015840505
UN 2046
BS-52939
1-Methyl-2-(1-methylethyl)benzene, 9CI
o-Cymene [UN2046] [Flammable liquid]
CS-0368263
NS00010825
T71005
Q27161449