Description

Diphenyl Terephthalate is a high-purity organic ester compound, serving as a critical intermediate and monomer in advanced polymer synthesis. Its value lies in its ability to impart specific thermal and mechanical properties to high-performance materials. This product is essential for manufacturers and R&D facilities in the polymer, specialty chemical, and pharmaceutical industries seeking reliable, high-quality raw materials.

Application

• Polymer Intermediate: A key monomer for the synthesis of specialty polyesters and polyarylates, contributing to high thermal stability and mechanical strength.
• Liquid Crystal Polymers (LCPs): Used as a building block in the production of high-performance LCPs for electronics, automotive, and aerospace components.
• Pharmaceutical Intermediate: Serves as a precursor in the synthesis of certain active pharmaceutical ingredients (APIs) and fine chemicals.
• Organic Synthesis: A versatile reagent for constructing complex organic molecules in research and development laboratories.
• Coating and Resin Formulation: Incorporated into specialty coatings and resins to enhance durability, chemical resistance, and performance.
• Material Science Research: Used in academic and industrial R&D for developing new polymeric materials with tailored properties.

Basic Information

Product Name	Diphenyl Terephthalate
CAS No.	1539-04-4
Molecular Formula	C20H14O4
Molecular Weight	318.32 g/mol
Synonyms	Terephthalic Acid Diphenyl Ester; 1,4-Benzenedicarboxylic Acid Diphenyl Ester; Diphenyl 1,4-Benzenedicarboxylate; DPT; p-Terephthalic Acid Diphenyl Ester; Benzene-1,4-dicarboxylic Acid Diphenyl Ester; Diphenyl p-Phthalate
EINECS	216-257-0

Quality Control

Our Diphenyl Terephthalate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and impurity profiles. A Certificate of Analysis (COA) detailing the results is provided with every shipment to guarantee traceability and compliance with your requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (typically 15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	245 - 250 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.