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Catalog Number:
27569
CAS Number:
636-09-9
Diethyl terephthalate
Purity:
≥ 99% (GC)
Synonym(s):
Terephthalic acid diethyl ester
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Product Information

Diethyl terephthalate is a versatile compound widely utilized in the production of polyester fibers and resins, making it essential in the textile and plastics industries. This diester, characterized by its high boiling point and excellent solubility in organic solvents, serves as a key intermediate in the synthesis of polyethylene terephthalate (PET), a material renowned for its strength and durability. Its applications extend to the manufacturing of films, coatings, and various plastic products, providing a robust solution for industries seeking lightweight yet resilient materials.

Researchers also leverage diethyl terephthalate in organic synthesis and as a plasticizer, enhancing the flexibility and workability of polymers. Its ability to improve the thermal stability and mechanical properties of end products makes it a preferred choice among professionals. With its favorable characteristics, diethyl terephthalate stands out as a reliable compound for those looking to innovate in material science and engineering applications.

Synonyms
Terephthalic acid diethyl ester
CAS Number
636-09-9
Purity
≥ 99% (GC)
Molecular Formula
C12H14O4
Molecular Weight
222.24
MDL Number
MFCD00039891
PubChem ID
12483
Melting Point
43-45 ºC
Density
1.10 g/mL at 25 °C
Appearance
White to pale cream crystalline solid
Conditions
Store at 0-8 °C
General Information
Synonyms
Terephthalic acid diethyl ester
CAS Number
636-09-9
Purity
≥ 99% (GC)
Molecular Formula
C12H14O4
Molecular Weight
222.24
MDL Number
MFCD00039891
PubChem ID
12483
Melting Point
43-45 ºC
Density
1.10 g/mL at 25 °C
Appearance
White to pale cream crystalline solid
Conditions
Store at 0-8 °C
Properties
Additional property information coming soon!
-
Safety and Regulations
Hazmat
No
Antibiotic
No
DEA-regulated
No
Warnings
-
Applications

Diethyl terephthalate is widely utilized in research focused on:

  • Polyester Production: It serves as a key intermediate in the synthesis of polyesters, which are widely used in textiles, packaging, and plastic bottles. Its ability to form strong, durable materials makes it a preferred choice in the textile industry.
  • Plasticizers: This compound is used to produce plasticizers that enhance the flexibility and workability of plastics. Industries such as construction and automotive benefit from its application in making materials more pliable and easier to mold.
  • Solvent Applications: Diethyl terephthalate acts as a solvent in various chemical reactions and processes, particularly in organic synthesis. Its effectiveness in dissolving a wide range of substances makes it valuable in laboratories and industrial settings.
  • Pharmaceuticals: In the pharmaceutical industry, it is used as a building block for drug formulations, contributing to the development of effective and stable medications. Its compatibility with various active ingredients enhances the overall efficacy of drug products.
  • Coatings and Adhesives: The compound is also utilized in the formulation of coatings and adhesives, providing excellent adhesion properties and resistance to environmental factors. This application is crucial in industries like automotive and construction, where durability is essential.

Citations