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Dimethyl terephthalate

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Identification
Molecular formula
C10H10O4
CAS number
120-61-6
IUPAC name
diethyl benzene-1,4-dicarboxylate
State
State

Dimethyl terephthalate is a solid at room temperature. Its crystalline nature provides it with a firm structure, and it remains stable under normal conditions.

Melting point (Celsius)
140.00
Melting point (Kelvin)
413.15
Boiling point (Celsius)
288.00
Boiling point (Kelvin)
561.15
General information
Molecular weight
194.19g/mol
Molar mass
194.1920g/mol
Density
1.1980g/cm3
Appearence

Dimethyl terephthalate is a white crystalline solid with a slight aromatic odor. It is usually encountered in its powder form, although it can also exist as small, clear crystals or somewhat milky grains. Its appearance can vary slightly depending on the purity and the size of the crystals.

Comment on solubility

Solubility of Diethyl Benzene-1,4-Dicarboxylate

Diethyl benzene-1,4-dicarboxylate, a diester, exhibits intriguing solubility characteristics attributed to its chemical structure. Understanding its solubility in various solvents can provide insights into its behavior in different environments.

Solubility Profile:

  • Hydrophilicity vs. Hydrophobicity: This compound is generally more hydrophobic due to the presence of two ethyl groups, which enhance its nonpolar characteristics.
  • Polar Solvents: Its solubility in polar solvents such as water is limited. Under typical conditions, it is considered poorly soluble.
  • Nonpolar Solvents: In contrast, diethyl benzene-1,4-dicarboxylate shows significantly better solubility in nonpolar or weakly polar organic solvents like benzene, toluene, and chloroform.
  • Temperature Effect: Solubility can also be affected by temperature; generally, increasing temperature can enhance its solubility in organic solvents.

In summary, while diethyl benzene-1,4-dicarboxylate has limited solubility in aqueous environments, its favorable interaction with nonpolar solvents highlights the importance of solvent selection in its applications. As stated in chemistry, “like dissolves like,” which plays a pivotal role in predicting its solubility behavior.

Interesting facts

Introduction to Diethyl Benzene-1,4-Dicarboxylate

Diethyl benzene-1,4-dicarboxylate is a unique compound in the realm of organic chemistry that presents intriguing aspects worthy of exploration. As an ester derived from benzene, it possesses two carboxylate groups, which lend it distinctive chemical properties.

Interesting Facts

  • Versatile Intermediate: Diethyl benzene-1,4-dicarboxylate is often used as a building block in organic synthesis, particularly in the manufacture of various pharmaceuticals, agrochemicals, and dyes. Its structure allows for numerous modification options.
  • Applications in Polymers: Due to its diester functionality, the compound can be incorporated into polymer formulations, potentially enhancing properties such as thermal stability and mechanical strength.
  • Biological Importance: Some derivatives of diethyl benzene-1,4-dicarboxylate exhibit biological activity, making it a point of interest in medicinal chemistry. Researchers explore its potential in the development of new drugs.
  • Research Interest: Scientists are actively researching the reactivity of the compound with different nucleophiles, leading to the discovery of novel derivatives that may have improved or different properties compared to the parent compound.
  • Environmental Considerations: As with many synthetic organic compounds, the environmental impact of diethyl benzene-1,4-dicarboxylate is an area of study. Understanding its degradation pathways and toxicity is crucial for safe handling and application.

The significance of diethyl benzene-1,4-dicarboxylate in various fields—from industry to academia—demonstrates the compound’s versatility. Its role as an intermediate, potential bioactivity, and the ongoing research surrounding it highlight the dynamic nature of organic chemistry.

In conclusion, whether utilized in synthetic pathways or studied for its properties, diethyl benzene-1,4-dicarboxylate embodies the intersection of chemistry and practical application, making it an essential topic for chemists and learners alike.

Synonyms
DIETHYL TEREPHTHALATE
p-Diethyl phthalate
1,4-Benzenedicarboxylic acid, diethyl ester
Terephthalic acid, diethyl ester
Diethyl p-phthalate
EINECS 211-249-1
NSC 68816
1,4-Benzenedicarboxylic acid, 1,4-diethyl ester
BRN 0650906
N97X85L3CD
AI3-10015
NSC-68816
UNII-N97X85L3CD
DTXSID8060909
4-09-00-03304 (Beilstein Handbook Reference)
Diethyl ester of 1,4-Benzenedicarboxylic acid
P-BENZENEDICARBOXYLIC ACID DIETHYL ESTER
DTXCID6044014
211-249-1
onihpyywnbvmid-uhfffaoysa-n
636-09-9
diethyl benzene-1,4-dicarboxylate
Terephthalic Acid Diethyl Ester
MFCD00039891
1,4-diethyl benzene-1,4-dicarboxylate
Ethyl terephthalate
diethyl 1,4-benzenedioate
SCHEMBL87450
Terephthalic acid, bis-ethyl ester
NSC68816
AKOS003241778
DS-11900
DB-054512
CS-0181566
NS00020326
T0014
EN300-212010
10.14272/ONIHPYYWNBVMID-UHFFFAOYSA-N.1
doi:10.14272/ONIHPYYWNBVMID-UHFFFAOYSA-N.1
Q63398378
Terephthalic acid, bis-ethyl ester 4000 ?g/mL in Dichloromethane
Terephthalic acid, bis-ethyl ester 4000 myg/mL in Dichloromethane