Description

Diallyl Bisphenol A CAS NO 1745-89-7 is a specialized, high-purity monomer featuring two reactive allyl groups attached to a bisphenol A core. This unique structure makes it a critical intermediate for synthesizing advanced thermosetting resins and high-performance polymers. It is essential for manufacturers in the electronics, aerospace, and specialty coatings industries seeking to enhance material properties such as thermal stability, chemical resistance, and dielectric performance.

Application

• High-Performance Resin Synthesis: A key monomer for producing allyl-functionalized epoxy, phenolic, and cyanate ester resins.
• Electronic Encapsulants & Circuit Boards: Used in formulations for semiconductor encapsulation and printed circuit board laminates requiring excellent dielectric properties and low moisture absorption.
• Aerospace Composites: Serves as a cross-linking agent in composite matrices for aircraft and spacecraft components, offering high heat resistance.
• Specialty Adhesives & Coatings: Imparts enhanced durability, chemical resistance, and thermal performance to industrial adhesives and protective coatings.
• Flame Retardant Materials: Incorporated as a reactive component in flame-retardant polymer systems.
• Chemical Intermediate: Used in organic synthesis to create more complex molecules for pharmaceutical and agrochemical research.

Basic Information

Product Name	Diallyl Bisphenol A
CAS No.	1745-89-7
Molecular Formula	C21H24O2
Molecular Weight	308.41 g/mol
Synonyms	2,2-Bis(4-allyloxyphenyl)propane; 4,4'-Isopropylidenebis(allyloxybenzene); Bis(4-allyloxyphenyl)propane; Diallyl BPA; Bisphenol A diallyl ether; 1,1'-(1-Methylethylidene)bis[4-(2-propen-1-yloxy)benzene]; Allyl Ether of Bisphenol A
EINECS	217-123-7

Quality Control

Our Diallyl Bisphenol A is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistent performance. Certificates of Analysis (COA) documenting identity, assay, and impurity profiles are provided with each shipment to 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 sources and incompatible materials. Under these conditions, the product remains stable for extended periods.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or flakes
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	40 - 45 °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.