Description

4-Isocyanato-2-[(4-Isocyanatocyclohexyl)Methyl]-1-Methylcyclohexane is a specialized aliphatic diisocyanate monomer, CAS NO 91458-01-4, prized for its unique cycloaliphatic structure which imparts superior light stability and chemical resistance to final polymers. This compound serves as a critical building block in the synthesis of high-performance polyurethanes, coatings, and adhesives where durability and weatherability are paramount. It is essential for manufacturers in the automotive, aerospace, and industrial coating sectors seeking to enhance product longevity under harsh environmental conditions.

Application

• High-Performance Polyurethane Coatings: Used in automotive clear coats, industrial maintenance paints, and aerospace coatings requiring exceptional UV resistance and gloss retention.
• Light-Stable Adhesives & Sealants: A key component in formulations for outdoor construction, automotive assembly, and marine applications where resistance to yellowing is critical.
• Specialty Elastomers: Employed in the production of durable elastomeric parts for automotive, machinery, and sporting goods that demand resilience to chemicals and weathering.
• Advanced Composite Materials: Acts as a cross-linking agent in fiber-reinforced plastics (FRP) and composite matrices for lightweight structural components.
• Optical & Electronic Encapsulants: Used in potting and encapsulation compounds for LEDs and electronic components that must remain clear and stable over time.

Basic Information

Product Name	4-Isocyanato-2-[(4-Isocyanatocyclohexyl)Methyl]-1-Methylcyclohexane
CAS No.	91458-01-4
Molecular Formula	C16H24N2O2
Molecular Weight	276.38 g/mol
Synonyms	1-Methyl-2-[(4-isocyanatocyclohexyl)methyl]-4-isocyanatocyclohexane; Dicyclohexylmethane Diisocyanate, Methyl-Substituted; Hydrogenated MDI Derivative; H12MDI Isomer; Bis(4-isocyanatocyclohexyl)methane Derivative; Alicyclic Diisocyanate; Light-Stable Diisocyanate Monomer
EINECS	Contact for details

Quality Control

Our production of 4-Isocyanato-2-[(4-Isocyanatocyclohexyl)Methyl]-1-Methylcyclohexane adheres to stringent quality management systems. Every batch undergoes rigorous analytical testing, including assay by titration and impurity profile analysis via GC/HPLC, to ensure high purity and consistency. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at temperatures between 15°C and 25°C (59°F and 77°F). 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 (NCO Content)	≥ 99.0 %
Purity (GC)	≥ 98.5 %
Hydrolyzable Chloride	≤ 10 ppm
Total Chloride	≤ 20 ppm
Color (APHA)	≤ 50
Specific Gravity (20°C)	1.06 - 1.10
Viscosity (25°C)	Contact for details

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