Description

4-Cumylphenol Cyanate Ester is a high-performance, multifunctional cyanate ester monomer. This compound is valued for its role as a key precursor in the synthesis of advanced thermosetting polymers, offering excellent thermal stability and mechanical properties. It is primarily utilized by manufacturers in the aerospace, electronics, and advanced composite materials industries seeking to enhance the performance of high-temperature resins and adhesives.

Application

• As a critical monomer for the production of high-performance cyanate ester resins.
• Formulation of advanced composite matrices for aerospace and military applications requiring low dielectric loss and high thermal stability.
• Manufacture of encapsulation materials and underfills for microelectronics.
• Production of structural adhesives and potting compounds for high-temperature environments.
• Used in the development of radome materials and other wave-transparent composites.
• Synthesis of flame-retardant polymers and specialty coatings.
• Research and development of next-generation thermoset materials with tailored properties.

Basic Information

Product Name	4-Cumylphenol Cyanate Ester
CAS No.	110215-65-1
Molecular Formula	C16H13NO
Molecular Weight	235.28 g/mol
Synonyms	4-(α,α-Dimethylbenzyl)phenyl Cyanate; Cumylphenol Cyanate; 4-(1-Methyl-1-phenylethyl)phenyl Cyanate; 4-(2-Phenylpropan-2-yl)phenyl Cyanate; Cyanato-4-cumylbenzene; AroCy Cyanate Ester Monomer (related class); Phenolic Cyanate Ester; Bisphenol-based Cyanate Ester Derivative
EINECS	Contact for details

Quality Control

Our 4-Cumylphenol Cyanate Ester is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling. A Certificate of Analysis (COA) detailing all specifications and test results is provided with every shipment to guarantee compliance with your technical requirements.

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 degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Assay (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.