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1,2,4-Trimethylbenzene

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Identification
Molecular formula
C9H12
CAS number
95-63-6
IUPAC name
1,2,4-trimethylbenzene
State
State

At room temperature, 1,2,4-trimethylbenzene is in a liquid state. It is volatile and releases vapor that can be detected by its distinctive odor.

Melting point (Celsius)
-43.80
Melting point (Kelvin)
229.35
Boiling point (Celsius)
169.20
Boiling point (Kelvin)
442.35
General information
Molecular weight
120.19g/mol
Molar mass
120.1940g/mol
Density
0.8760g/cm3
Appearence

1,2,4-Trimethylbenzene is a clear, colorless liquid with a distinct aromatic odor, typical of aromatic hydrocarbons. It may appear slightly bluish under certain conditions due to its aromatic nature and refractive properties.

Comment on solubility

Solubility of 1,2,4-trimethylbenzene

1,2,4-trimethylbenzene, also known as pseudocumene, exhibits notable characteristics when it comes to its solubility:

  • Solvent Compatibility: This compound is hydrophobic, meaning it does not dissolve in water. Instead, it is quite soluble in organic solvents such as ethyl acetate, benzene, and hexane.
  • Temperature Dependence: As with many organic compounds, solubility can vary with temperature. Generally, an increase in temperature enhances its solubility in organic solvents.
  • Practical Applications: The solubility properties make 1,2,4-trimethylbenzene useful in various chemical syntheses and formulations, particularly in products where water miscibility is not desired.

In summary, understanding the solubility of 1,2,4-trimethylbenzene is crucial for its application in both industrial and research settings, reflecting its behavior in different solvents and conditions.

Interesting facts

Interesting Facts about 1,2,4-Trimethylbenzene

1,2,4-trimethylbenzene, often referred to as pseudocumene, is a fascinating aromatic hydrocarbon with several intriguing aspects:

  • Structure and Isomerism: This compound belongs to a class of compounds known as trimethylbenzenes. It features a benzene ring with three methyl groups attached at the 1, 2, and 4 positions. The different arrangements of methyl groups lead to three isomers: 1,2,3-trimethylbenzene, 1,2,4-trimethylbenzene, and 1,3,5-trimethylbenzene, each with unique properties and uses.
  • Natural Occurrence: Pseudocumene can be found in trace amounts in some essential oils and is a byproduct of the combustion of certain fuels. It can also originate from natural sources such as the degradation of plant material.
  • Industrial Uses: 1,2,4-trimethylbenzene is used in various industrial applications. It serves as a solvent and is an important precursor in the synthesis of other chemical compounds, including dyes and pharmaceuticals. Additionally, it is used in the production of coatings and varnishes.
  • Toxicology and Safety: While it is a useful compound, 1,2,4-trimethylbenzene does pose some health risks. Exposure can occur through inhalation, skin contact, or ingestion, and may lead to symptoms such as headache, dizziness, or respiratory irritation. Therefore, proper safety measures and regulations are essential when handling this chemical.
  • Environmental Impact: Being a volatile organic compound (VOC), it contributes to air pollution when released into the atmosphere. Understanding its behavior in the environment is crucial for assessing its ecological impact.

In summary, 1,2,4-trimethylbenzene is not just another hydrocarbon. Its unique structure, industrial significance, and environmental considerations make it a noteworthy subject of study for chemists and industry professionals alike. As we continue to explore its properties and applications, pseudocumene remains a point of interest in both theoretical and applied chemistry.

Synonyms
1,2,4-TRIMETHYLBENZENE
Pseudocumene
95-63-6
Pseudocumol
Psi-cumene
as-Trimethylbenzene
Benzene, 1,2,4-trimethyl-
1,3,4-Trimethylbenzene
Uns-trimethylbenzene
1,2,5-Trimethylbenzene
Asymmetrical trimethylbenzene
pseudo-cumene
.psi.-Cumene
1,2,4-trimethyl-benzene
1,2,4-Trimethyl benzene
Benzene, 1,2,5-trimethyl-
NSC 65600
HSDB 5293
EINECS 202-436-9
CCRIS 8146
DTXSID6021402
PSUEDO-CUMENE
UNII-34X0W8052F
CHEBI:34039
AI3-03976
NSC-65600
PSEUDOCUMENE [MI]
1,2, 4-Trimethylbenzene
1,2,5-trimethyl-benzene
DTXCID701402
1.2.4-TRIMETHYLBENZENE
EC 202-436-9
TRIMETHYLBENZENE, 1,2,4-
34X0W8052F
1,2,4-Trimethylbenzene (pseudocumene)
1,2,4-TRIMETHYLBENZENE [HSDB]
CAS-95-63-6
1,2,4-Trimethylbenzene, analytical standard
Assymetrical trimethylbenzene
pseudo cumene
asTrimethylbenzene
Unstrimethylbenzene
PSICUMENE
laquo Psiraquo-Cumene
1,4-Trimethylbenzene
laquo Psiraquo -Cumene
METHYL-P-XYLENE
1,2,5Trimethylbenzene
1,3,4Trimethylbenzene
Benzene,2,4-trimethyl-
Benzene, 1,2,4trimethyl
Benzene, 1,2,5trimethyl
BIDD:ER0682
CHEMBL1797280
WLN: 1R B1 D1
1,2,4-Trimethylbenzene, 98%
21 - VOCs (Perkin Elmer tubes)
BENZENE,1,2,4-TRIMETHYL-
NSC65600
Tox21_200518
Tox21_300049
MFCD00008527
STL268868
06C - Benzene, Toluene and Xylenes
AKOS000120059
NCGC00247891-01
NCGC00247891-02
NCGC00254118-01
NCGC00258072-01
PS-11947
1,2,4-Trimethylbenzene (ACD/Name 4.0)
NS00006467
S0662
T0469
EN300-20076
G92359
A937622
Q376994
1,2,4-Trimethylbenzene 100 microg/mL in Methanol
F0001-2275
Z104476700
1,2,4-Trimethylbenzene, certified reference material, TraceCERT(R)
95-36-3
XBZ