Skip to main content

Diethyl phthalate

ADVERTISEMENT
Identification
Molecular formula
C12H14O4
CAS number
84-66-2
IUPAC name
diethyl benzene-1,3-dicarboxylate
State
State

Diethyl phthalate is typically found as a liquid at room temperature. It is commonly used as a solvent and a plasticizer. As a liquid, it is often used in the production of plastics and as a component of cosmetics and fragrances.

Melting point (Celsius)
-2.50
Melting point (Kelvin)
270.65
Boiling point (Celsius)
298.80
Boiling point (Kelvin)
571.95
General information
Molecular weight
222.24g/mol
Molar mass
222.2390g/mol
Density
1.1216g/cm3
Appearence

Diethyl phthalate appears as a colorless and nearly odorless liquid. It has a slight aromatic odor and can become a white crystalline solid at temperatures below its melting point. The liquid is slightly oily in texture.

Comment on solubility

Solubility of Diethyl Benzene-1,3-Dicarboxylate

Diethyl benzene-1,3-dicarboxylate, with the chemical formula C12H14O4, exhibits specific solubility characteristics that are notable for its applications in organic synthesis and as a building block in various chemical processes.

When discussing the solubility of this compound, consider the following points:

  • Solvent Polarity: Diethyl benzene-1,3-dicarboxylate is generally soluble in polar organic solvents such as methanol, ethanol, and acetone, while it shows limited solubility in nonpolar solvents like hexane.
  • Hydrophilicity vs. Hydrophobicity: Despite having two carboxylate groups, which enhance polarity, the aromatic benzene ring tends to impart a degree of hydrophobic character, thus affecting solubility in water.
  • Temperature Dependency: The solubility can be influenced by temperature; as temperature increases, solubility in organic solvents may also increase, owing to enhanced molecular motion and interaction.
  • Concentration Effects: At higher concentrations, solubility limits might be reached, leading to potential precipitation, especially when mixed with solvents that are less compatible.

In conclusion, while diethyl benzene-1,3-dicarboxylate is soluble in a variety of organic solvents, it demonstrates relatively poor solubility in water, highlighting the importance of solvent selection in practical applications. As noted in the field, "The choice of solvent is often paramount in determining the success of a reaction."

Interesting facts

Interesting Facts about Diethyl Benzene-1,3-dicarboxylate

Diethyl benzene-1,3-dicarboxylate is an intriguing organic compound known for its role in various chemical applications and synthesis processes. Here are some captivating insights about this compound:

  • Versatile Reaction Partner: This compound is often utilized as an important intermediate in organic synthesis, particularly in the preparation of biologically active compounds.
  • Building Block: It serves as a valuable building block in the synthesis of pharmaceuticals, where it contributes to creating complex structures.
  • Dynamic Properties: An interesting aspect of diethyl benzene-1,3-dicarboxylate is its ability to undergo various chemical reactions, including:
    • Transesterification, allowing chemists to modify ester groups.
    • Decarboxylation, which can yield diverse products depending on the conditions used.
  • COSMO-RS Insights: Computational methods reveal important thermodynamic properties of this compound, making it a subject of interest for theoretical chemists.
  • Environmental and Safety Considerations: Like many synthetic chemicals, proper handling is essential due to potential irritations or reactions with other substances.

Additionally, diethyl benzene-1,3-dicarboxylate is noteworthy for its role in the study of esters and their reactivity, often serving as a model compound in the exploration of ester-related transformations. Its presence in various reactions underscores its significance in both academic and industrial chemistry.

The compound exemplifies how a seemingly simple structure can hold vast potential in the realm of organic synthesis and chemical research. Thus, diethyl benzene-1,3-dicarboxylate deserves recognition for its contributions to the field of chemistry.

Synonyms
DIETHYL ISOPHTHALATE
636-53-3
1,3-Benzenedicarboxylic acid, diethyl ester
Isophthalic acid, diethyl ester
HSDB 5732
EINECS 211-260-1
E1QJK560FY
NSC 249815
BRN 2052705
NSC-249815
DTXSID5027277
DIETHYL ISOPHTHALATE [HSDB]
1,3-Benzenedicarboxylic acid, 1,3-diethyl ester
DTXCID007277
1,3Benzenedicarboxylic acid, diethyl ester
211-260-1
diethyl benzene-1,3-dicarboxylate
Diethyl isophthlate
MFCD01717556
isophthalic acid diethyl ester
Diethyl m-phthalate
Diethylisophthalate
UNII-E1QJK560FY
1,3-diethyl benzene-1,3-dicarboxylate
Isophthalic acid diethylester
SCHEMBL110276
NSC249815
AKOS015890689
CS-W018868
GS-3111
SY024509
NS00035519
I10253
Q27276756