Description

1,1,1-Tris(4-Cyanatophenyl)Ethane is a high-purity, trifunctional cyanate ester monomer, a critical building block for advanced thermoset polymers. Its value lies in its ability to form highly cross-linked networks with exceptional thermal stability, low dielectric loss, and outstanding mechanical properties. This compound is essential for manufacturers in the aerospace, electronics, and high-performance composites industries seeking to produce next-generation materials.

Application

• High-Temperature Composite Matrices: Used as a resin precursor for carbon fiber and glass fiber reinforced composites in aerospace and military applications.
• Electronic Encapsulants & Underfills: Serves as a key component in formulations for protecting sensitive microelectronics due to its excellent dielectric properties and moisture resistance.
• Adhesives & Bonding Agents: Employed in the formulation of high-strength, heat-resistant structural adhesives.
• Printed Circuit Board (PCB) Laminates: A vital resin for manufacturing high-frequency, low-loss circuit board substrates (e.g., for 5G infrastructure).
• Radome & Antenna Materials: Ideal for fabricating components that require radar transparency and environmental durability.
• Pre-preg & Tooling Materials: Used in the production of pre-impregnated composite fabrics and high-temperature tooling molds.

Basic Information

Product Name	1,1,1-Tris(4-Cyanatophenyl)Ethane
CAS No.	113151-22-7
Molecular Formula	C23H15N3O3
Molecular Weight	381.39 g/mol
Synonyms	1,1,1-Tris(4-cyanatophenyl)ethane; Tris(4-cyanatophenyl)ethane; TCE; Cyanate Ester TCE; 1,1,1-Tris(4-hydroxyphenyl)ethane tricyanate; Tris(4-hydroxyphenyl)ethane tricyanate; AroCy® L-10 (or equivalent trade names); Trifunctional Cyanate Ester Monomer
EINECS	Contact for details

Quality Control

Our 1,1,1-Tris(4-Cyanatophenyl)Ethane is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for advanced material synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, cyanate equivalent weight, and moisture content is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Cyanate Equivalent Weight (CEW)	125 - 130 g/eq
Melting Point	80 - 85 °C
Moisture (Karl Fischer)	≤ 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.