Description

4,4'-[1,3-Phenylenebis(1-Methyl-Ethylidene)]Bisphenyl Cyanate is a high-purity, advanced chemical intermediate belonging to the cyanate ester family. This compound is valued for its role as a critical building block in the synthesis of high-performance polymers and thermosetting resins. It is primarily sought after by manufacturers in the aerospace, electronics, and advanced composite materials industries who require materials with exceptional thermal stability and dielectric properties.

Application

• Advanced Thermoset Polymers: A key monomer for producing high-temperature cyanate ester resins used in aerospace composites and radomes.
• Electronic Encapsulation: Used in the formulation of potting compounds and encapsulants for microelectronics due to excellent dielectric properties.
• High-Performance Adhesives: Serves as a cross-linking agent in adhesives for demanding structural bonding applications.
• Matrix Resin for Composites: Essential for manufacturing fiber-reinforced composites with low moisture absorption and high glass transition temperatures (Tg).
• Specialty Coatings: Used in coatings that require chemical resistance and thermal endurance for industrial and defense applications.
• Research & Development: Employed in academic and industrial R&D for developing new polymeric materials with tailored properties.

Basic Information

Product Name	4,4'-[1,3-Phenylenebis(1-Methyl-Ethylidene)]Bisphenyl Cyanate
CAS No.	127667-44-1
Molecular Formula	C27H20N2O2
Molecular Weight	404.46 g/mol
Synonyms	1,3-Bis[α,α-bis(4-cyanoxyphenyl)ethyl]benzene; Bisphenol A Dicyanate, Tetramethyl Derivative; 4,4'-(1,3-Phenylenediisopropylidene)diphenyl Cyanate; 1,3-Bis[2-(4-cyanophenoxy)propan-2-yl]benzene; Cyanate Ester Monomer; AroCy Cyanate Ester Intermediate; Bisphenol-based Cyanate Ester
EINECS	Contact for details

Quality Control

Our production of 4,4'-[1,3-Phenylenebis(1-Methyl-Ethylidene)]Bisphenyl Cyanate adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure consistency and compliance with customer specifications. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to exclude moisture. Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Moisture (KF)	≤ 0.5%
Heavy Metals	≤ 10 ppm

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