Description

Terephthalic Acid Diallyl Ester is a high-purity diester monomer derived from terephthalic acid and allyl alcohol. This compound is valued for its dual reactive allyl groups, which enable its use as a versatile crosslinking agent and building block in advanced polymer synthesis. It is primarily sought by manufacturers in the specialty plastics, thermosetting resins, and advanced coating industries seeking to enhance material properties like thermal stability and mechanical strength.

Application

• As a key crosslinking monomer in the production of unsaturated polyester resins (UPR) for high-performance composites.
• In the synthesis of thermosetting polymers and allyl resins for electrical laminates and insulating materials.
• As a reactive diluent and modifier in radiation-curable coatings and inks to improve flexibility and adhesion.
• For the preparation of specialty polyesters and polycarbonates with enhanced thermal and chemical resistance.
• In research and development of high-temperature polymers and advanced engineering plastics.
• As an intermediate in organic synthesis for pharmaceuticals and agrochemicals.

Basic Information

Product Name	Terephthalic Acid Diallyl Ester
CAS No.	1026-92-2
Molecular Formula	C14H14O4
Molecular Weight	246.26 g/mol
Synonyms	Diallyl Terephthalate; Terephthalic Acid Diallyl Ester; 1,4-Benzenedicarboxylic Acid, Diallyl Ester; Diallyl Benzene-1,4-dicarboxylate; DATP; Diallyl Phthalate (Isomer); Benzenedicarboxylic Acid, Diallyl Ester; Allyl Terephthalate
EINECS	213-842-0

Quality Control

Our Terephthalic Acid Diallyl Ester is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and performance. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with every shipment to guarantee batch-to-batch consistency and support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Acid Value	≤ 1.0 mg KOH/g
Refractive Index (20°C)	1.520 - 1.525
Density (20°C)	1.10 - 1.12 g/cm³

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