Description

1,1-Bis(4-Cyanatophenyl)Ethane is a high-purity aromatic cyanate ester monomer, a critical building block for advanced thermoset polymers. This compound matters for its role as a precursor in synthesizing polycyanurates, which offer exceptional thermal stability, low dielectric loss, and superior mechanical properties for demanding environments. It is essential for manufacturers in the aerospace, electronics, and high-performance composite industries seeking to produce next-generation resins and adhesives.

Application

• High-Performance Thermoset Resins: Primary monomer for the production of polycyanurate networks used in aerospace composites and radomes.
• Electronic Encapsulants & Circuit Boards: Used in formulations for semiconductor encapsulation and high-frequency printed circuit board laminates due to its excellent dielectric properties.
• Advanced Adhesives: Serves as a key component in high-temperature structural adhesives for metal and composite bonding.
• Matrix for Carbon Fiber Composites: Impregnated into fibers to create lightweight, high-strength components for automotive and sporting goods.
• Flame-Retardant Materials: Incorporated into polymer blends to enhance fire resistance without compromising thermal performance.
• Research & Development: Used in academic and industrial R&D for developing novel polymer architectures and specialty chemicals.

Basic Information

Product Name	1,1-Bis(4-Cyanatophenyl)Ethane
CAS No.	47073-92-7
Molecular Formula	C17H12N2O2
Molecular Weight	276.29 g/mol
Synonyms	1,1-Bis(4-cyanatophenyl)ethane; Bisphenol E Dicyanate; Bisphenol E Cyanate Ester; BECy; 4,4'-(1-Ethylidene)bisphenyl cyanate; Dicyanate ester of Bisphenol E; Bis(4-cyanatophenyl)ethane; AroCy B-10 (Trade Name Equivalent)
EINECS	Contact for details

Quality Control

Our 1,1-Bis(4-Cyanatophenyl)Ethane is manufactured under stringent quality management systems. Every batch undergoes rigorous analytical testing to ensure compliance with exacting purity and performance standards. A comprehensive Certificate of Analysis (COA) detailing assay, identity, and impurity profiles is provided with each shipment to guarantee traceability and consistency for your critical formulations.

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 prevent degradation from atmospheric 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
Assay (HPLC)	≥ 98.5%
Melting Point	79 - 83 °C
Moisture (KF)	≤ 0.5%
Residual Phenol (GC)	≤ 0.1%

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