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Ethylbenzene

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Identification
Molecular formula
C9H12
CAS number
622-96-8
IUPAC name
1-ethyl-4-methyl-benzene
State
State

1-Ethyl-4-methylbenzene is a liquid at room temperature. It is an aromatic hydrocarbon and is one of the many compounds found in petroleum.

Melting point (Celsius)
-94.90
Melting point (Kelvin)
178.30
Boiling point (Celsius)
159.10
Boiling point (Kelvin)
432.30
General information
Molecular weight
120.19g/mol
Molar mass
120.1930g/mol
Density
0.8669g/cm3
Appearence

1-Ethyl-4-methylbenzene is a colorless liquid with a sweet aromatic odor. It is typically found in crude oil and is a component of many petroleum products. Although it is liquid at room temperature, it can be volatile and will evaporate into the air.

Comment on solubility

Solubility of 1-ethyl-4-methyl-benzene

1-ethyl-4-methyl-benzene, commonly known as p-ethyl toluene, presents interesting characteristics regarding its solubility:

  • This compound is primarily insoluble in water. Due to its non-polar nature and the presence of a significant hydrocarbon structure, it does not effectively interact with polar solvents like water.
  • However, 1-ethyl-4-methyl-benzene is soluble in organic solvents, such as dichloromethane, benzene, and toluene, as these solvents share similar non-polar properties.
  • As a general trend in organic chemistry, compounds with larger alkyl groups tend to exhibit reduced solubility in water due to hydrophobic interactions.

In conclusion, the solubility behavior of 1-ethyl-4-methyl-benzene can be summarized with the saying, "like dissolves like", which emphasizes the importance of matching polarities for effective solubility.

Interesting facts

Interesting Facts about 1-Ethyl-4-Methylbenzene

1-Ethyl-4-methylbenzene, commonly known as para-ethyltoluene, is an aromatic hydrocarbon that plays an essential role in various industrial applications. Here are some fascinating insights into this compound:

  • Chemical Structure: This compound features a benzene ring with two substituents: an ethyl group and a methyl group positioned at the para (1,4) positions, contributing to its unique properties.
  • Potential Uses: 1-Ethyl-4-methylbenzene is often utilized as a solvent due to its ability to dissolve a variety of organic compounds. It is particularly favored in paint and coating industries.
  • Research Applications: The compound acts as a building block in organic synthesis, allowing chemists to create more complex molecules. Its manipulation can lead to potential advancements in pharmaceuticals and materials science.
  • Environmental Impact: Like many volatile organic compounds (VOCs), para-ethyltoluene can influence air quality. Awareness of its environmental effects encourages ongoing research into safer industrial practices.

As a scientist or chemistry student, understanding compounds like 1-ethyl-4-methylbenzene not only allows for greater appreciation of our natural world but also highlights the intersection of chemistry and industry. Its versatility and utility underline the importance of aromatic hydrocarbons in chemical research and production. As noted by many in the field, "The beauty of organic chemistry lies in the simplicity of its structures and the complexity of its interactions."

Synonyms
4-Ethyltoluene
1-Ethyl-4-methylbenzene
622-96-8
P-ETHYLTOLUENE
Benzene, 1-ethyl-4-methyl-
para-Ethyltoluene
Ethyltoluene, p-
NSC 74177
EINECS 210-761-2
G6JY83VLB5
CCRIS 8525
DTXSID9029194
AI3-28772
1,4-methylethylbenzene
NSC-74177
UNII-G6JY83VLB5
Benzene, 1-methyl-4-ethyl-
DTXCID409194
pEthyltoluene
Toluene, pethyl
pEthylmethylbenzene
pMethylethylbenzene
4Methylethylbenzene
1Ethyl4methylbenzene
1Methyl4ethylbenzene
Benzene, 1ethyl4methyl
inchi=1/c9h12/c1-3-9-6-4-8(2)5-7-9/h4-7h,3h2,1-2h
jrlpemvdpfpypj-uhfffaoysa-n
un3295
Toluene, p-ethyl-
4-Methylethylbenzene
p-Ethylmethylbenzene
p-Methylethylbenzene
1-Methyl-4-ethylbenzene
1-Ethyl-4-methyl-benzene
MFCD00009263
CHEMBL195384
p-ethyl toluene
4-ethyl-1-methylbenzene
4-Ethyltoluene 100 microg/mL in Methanol
para-ethyl-methyl-benzene
WLN: 2R D1
1-ETHYL 4-METHYL BENZENE
NSC74177
Tox21_200472
BDBM50167943
4-Ethyltoluene, >=95.0% (GC)
AKOS015889277
4-Ethyltoluene, technical grade, 90%
NCGC00248643-01
NCGC00258026-01
AC-22323
CAS-622-96-8
SY035727
DB-073085
E0186
NS00002700
A26230
EN300-220464
F14879
Q24300547
Z1255434762