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Cumene

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Identification
Molecular formula
C9H12
CAS number
98-82-8
IUPAC name
1-isopropyl-3-methyl-benzene
State
State

At room temperature, cumene is in a liquid state. It remains stable under normal temperature and pressure conditions.

Melting point (Celsius)
-96.00
Melting point (Kelvin)
177.15
Boiling point (Celsius)
152.40
Boiling point (Kelvin)
425.55
General information
Molecular weight
120.20g/mol
Molar mass
120.1950g/mol
Density
0.8610g/cm3
Appearence

Cumene is a colorless, flammable liquid. It has a characteristic aromatic odor typical of hydrocarbons. Under certain conditions, it can form explosive mixtures with air.

Comment on solubility

Solubility of 1-isopropyl-3-methyl-benzene

1-isopropyl-3-methyl-benzene, also known as p-cymene, exhibits unique solubility characteristics due to its organic structure. This compound is a member of the aromatic hydrocarbons, which significantly influences its solubility in various solvents:

  • Solubility in Organic Solvents: P-cymene is highly soluble in organic solvents such as benzene, toluene, and ether.
  • Water Solubility: In contrast, p-cymene is practically insoluble in water, primarily because of its hydrophobic alkyl substituents which hinder interactions with polar water molecules.
  • Temperature Dependency: Like many hydrocarbons, its solubility can vary with temperature; generally, an increase in temperature results in better solubility in organic solvents.

To summarize, the solubility profile of 1-isopropyl-3-methyl-benzene primarily reflects its nonpolar characteristics, making it an ideal candidate for use in organic media while exhibiting minimal compatibility with aqueous environments.

Interesting facts

Interesting Facts about 1-Isopropyl-3-methyl-benzene

1-Isopropyl-3-methyl-benzene, commonly known as cumene, is an aromatic hydrocarbon with notable significance in both the chemical industry and everyday life. Here are some fascinating aspects of this compound:

  • Industrial Applications: Cumene is primarily used as a precursor to produce phenol and acetone, both of which are crucial solvents and raw materials in manufacturing plastics, pharmaceuticals, and detergents.
  • Natural Occurrence: Interestingly, cumene can be found in various essential oils, such as the oils from pine and cinnamon. This natural presence highlights its importance beyond synthetic applications.
  • Cooked Food Aroma: Cumene contributes to the sweet, spicy aroma that is often detected in cooked food. This intriguing property emphasizes its presence in culinary chemistry.
  • Safety Considerations: While it has useful applications, it is essential to handle cumene with care due to its flammable nature and potential health risks associated with prolonged exposure. Proper safety measures must be observed in both laboratory and industrial settings.
  • Chemical Properties: As an aromatic hydrocarbon, cumene has a unique stability owing to its resonance structures. This trait enables it to undergo various chemical reactions, further expanding its utility in organic chemistry.

In summary, 1-isopropyl-3-methyl-benzene, or cumene, is a fascinating compound that bridges the gap between natural occurrence and industrial use. From its role in essential oil compositions to its significance in producing everyday materials, its contributions to chemistry are quite profound.

Synonyms
M-CYMENE
535-77-3
1-Isopropyl-3-methylbenzene
3-Isopropyltoluene
m-Isopropyltoluene
m-Cymol
m-Methylisopropylbenzene
beta-Cymene
1-Methyl-3-(1-methylethyl)benzene
NSC 73975
HSDB 3428
EINECS 208-617-9
UNII-10ZH8R921S
BRN 1851357
10ZH8R921S
NSC-73975
CYMENE, M-
DTXSID2060206
4-05-00-01058 (Beilstein Handbook Reference)
DTXCID9041449
208-617-9
Benzene, 1-methyl-3-(1-methylethyl)-
1-Methyl-3-isopropylbenzene
1-methyl-3-propan-2-ylbenzene
meta-cymene
.beta.-Cymene
3-Methyl-1-isopropylbenzene
1-Methyl-3-(1-methylethyl)-benzene
MFCD00008891
m-cymene [UN2046] [Flammable liquid]
m-Cymene, 99%
3-Methylisopropylbenzene
m-cymene [UN2046] [Flammable liquid]
M-CYMENE [HSDB]
M-CYMENE [MI]
m-Mentha-1,3,5-triene
m-Cymene, analytical standard
1-Methyl-3-isopropyl benzene
CHEBI:233283
1-methyl-3-(propan-2-yl)benzene
NSC73975
1-methyl-3-(1-methylethyl) benzene
AKOS005110997
1-Methyl-3-(1-methylethyl)benzene, 9CI
C0798
CS-0331846
NS00020834
T71023
Q27251197