Description

Diallyl iso-Phthalate Resin CAS NO 25035-78-3 is a specialized, high-performance thermosetting polymer derived from iso-phthalic acid. This compound is valued for its excellent thermal stability, chemical resistance, and low dielectric constant, making it a critical component in advanced composite materials. It is primarily sought after by manufacturers in the electronics, aerospace, and specialty coatings industries for producing high-reliability laminates, encapsulants, and adhesives.

Application

• As a cross-linking agent and reactive diluent in high-temperature epoxy and polyester resin systems.
• Production of printed circuit board (PCB) laminates and semiconductor encapsulants requiring superior electrical properties.
• Formulation of high-performance composite materials for aerospace and automotive applications.
• Manufacture of specialty coatings and adhesives with enhanced chemical and thermal resistance.
• Used in fiber-reinforced plastics (FRP) for corrosion-resistant tanks and pipes.
• As a pre-polymer intermediate for synthesizing other specialty polymers and oligomers.

Basic Information

Product Name	Diallyl iso-Phthalate Resin
CAS No.	25035-78-3
Molecular Formula	C14H14O4
Molecular Weight	246.26 g/mol
Synonyms	Diallyl isophthalate; Isophthalic acid, diallyl ester; 1,3-Benzenedicarboxylic acid, 1,3-diallyl ester; Diallyl 1,3-benzenedicarboxylate; DAP resin (isophthalate type); DAIP resin; Diallyl phthalate resin (isomer)
EINECS	Contact for details

Quality Control

Our Diallyl iso-Phthalate Resin is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistency in purity, viscosity, and reactivity, meeting the stringent requirements of the electronics and composite materials industries. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with every shipment.

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 strong acids and organic solvents. The material has a defined shelf life; refer to the specific batch documentation for expiration dating.

Specification

Item	Specification
Appearance	Clear, viscous liquid to pale solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Viscosity @ 25°C	Specification available upon request
Acid Value	≤ 1.0 mg KOH/g
Color (Gardner)	≤ 2
Moisture (KF)	≤ 0.1%

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