Description

4-[(4-Isocyanatocyclohexyl)Methyl]Phenyl Isocyanate CAS NO 35438-85-8 is a specialized diisocyanate monomer featuring both aromatic and aliphatic isocyanate functionalities. This unique bifunctional structure is critical for synthesizing high-performance polyurethane and polyurea polymers with tailored properties. It is primarily sought after by R&D chemists and formulators in the advanced coatings, adhesives, sealants, and elastomers (CASE) industries. The compound enables the creation of materials that balance reactivity, mechanical strength, and environmental resistance.

Application

• High-Performance Polyurethane Coatings: As a key building block for automotive clear coats, industrial finishes, and weather-resistant coatings requiring excellent gloss retention and chemical resistance.
• Specialty Adhesives and Sealants: Used in formulating adhesives for aerospace, automotive, and construction that demand superior bonding strength, flexibility, and durability under harsh conditions.
• Advanced Elastomers: Serves as a monomer for producing cast elastomers, rollers, and gaskets with a unique balance of hardness, tensile strength, and hydrolysis resistance.
• UV-Curable Resins: Incorporated into oligomers and prepolymers for radiation-curable systems, enhancing cure speed and final film properties.
• Polyurea Spray Systems: A reactive component in fast-setting polyurea formulations for protective linings, truck bed liners, and waterproofing membranes.
• Crosslinking Agent: Used to modify and crosslink polymers containing hydroxyl or amine groups, improving thermal stability and mechanical performance.
• Pharmaceutical & Agrochemical Intermediates: Employed in the synthesis of specialized active ingredients and drug delivery systems requiring its specific isocyanate reactivity.

Basic Information

Item	Detail
Product Name	4-[(4-Isocyanatocyclohexyl)Methyl]Phenyl Isocyanate
CAS No.	35438-85-8
Molecular Formula	C15H16N2O2
Molecular Weight	256.30 g/mol
Synonyms	1-Isocyanato-4-[(4-isocyanatocyclohexyl)methyl]benzene; Bis(4-isocyanatocyclohexyl)methane derivative; CHMI; Cyclohexylmethyl phenyl diisocyanate; 4,4'-Methylenebis(cyclohexyl isocyanate) analog; H12MDI derivative; Hydrogenated MDI isomer; Dicyclohexylmethane diisocyanate analog
EINECS	Contact for details

Quality Control

Our production of 4-[(4-Isocyanatocyclohexyl)Methyl]Phenyl Isocyanate adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure consistency and high purity, typically exceeding 99.0% (by HPLC). Certificates of Analysis (COA) detailing assay, isocyanate content, color, and specific impurity profiles (e.g., hydrolysable chloride) are provided and traceable to each lot. Our quality commitment supports compliance with relevant global chemical regulations.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at temperatures between 2°C and 8°C (under refrigeration) or as specified for the specific grade to maximize shelf life and maintain reactivity. This product is hygroscopic (moisture-sensitive) and must be kept under a dry inert atmosphere (e.g., nitrogen or argon) to prevent reaction with atmospheric moisture and carbon dioxide, which can lead to polymerization or urea formation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 99.0 %
Isocyanate Content (NCO)	32.0 - 33.0 %
Hydrolysable Chloride	≤ 50 ppm
Color (APHA)	≤ 50
Specific Gravity (20°C)	1.10 - 1.15
Viscosity (25°C)	Contact for details

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