Description

2,4-Dioxo-1,3-Diazetidine-1,3-Diylbis[Methylene(1,5,5-Trimethylcyclohexane-1,3-Diyl)] Diisocyanate is a specialized, high-performance aliphatic diisocyanate monomer. This compound matters for its role as a critical building block in synthesizing advanced polymers with enhanced weatherability, chemical resistance, and optical clarity. It is primarily needed by R&D chemists and formulators in the coatings, adhesives, sealants, and elastomers (CASE) industries, as well as in the production of high-end polyurethane and polyurea materials.

Application

• High-Performance Coatings: A key raw material for light-stable, aliphatic polyurethane coatings used in automotive clear coats, aerospace finishes, and industrial maintenance paints requiring exceptional gloss retention and durability.
• Specialty Adhesives & Sealants: Used to formulate advanced polyurethane and polyurea adhesives and sealants with superior flexibility, bond strength, and resistance to environmental degradation.
• Elastomers and Castables: Serves as a crosslinker in the production of high-grade elastomeric components, gaskets, rollers, and wear-resistant parts.
• Optical and Electronic Materials: Employed in the synthesis of polymers for optical lenses, encapsulants, and protective films where clarity and yellowing resistance are critical.
• Advanced Composite Materials: Acts as a reactive intermediate in resin systems for fiber-reinforced composites used in marine, wind energy, and transportation applications.
• Pharmaceutical & Agro-chemical Intermediates: Utilized in the synthesis of complex molecules, including active pharmaceutical ingredients (APIs) and advanced agrochemicals, where its specific bicyclic structure is advantageous.

Basic Information

Item	Details
Product Name	2,4-Dioxo-1,3-Diazetidine-1,3-Diylbis[Methylene(1,5,5-Trimethylcyclohexane-1,3-Diyl)] Diisocyanate
CAS No.	23370-68-5
Molecular Formula	C24H34N4O6
Molecular Weight	474.55 g/mol
Synonyms	Bis(4-isocyanato-2,2,6-trimethylcyclohexylmethyl) carbodiimide; Dicyclohexylmethane-4,4'-diisocyanate carbodiimide derivative; Hydrogenated MDI carbodiimide; H12MDI carbodiimide; 1,3-Bis(4-isocyanato-2,2,6-trimethylcyclohexylmethyl)carbodiimide; 4,4'-Methylenebis(cyclohexyl isocyanate) carbodiimide; Stabilized aliphatic diisocyanate; Low-monomer-content diisocyanate
EINECS	Contact for details

Quality Control

Our production of 2,4-Dioxo-1,3-Diazetidine-1,3-Diylbis[Methylene(1,5,5-Trimethylcyclohexane-1,3-Diyl)] Diisocyanate adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing, including assay, isocyanate content, and impurity profile analysis, to ensure consistent purity and performance. Certificates of Analysis (COA) detailing all specifications are provided with each shipment. We support compliance with REACH and other global regulatory frameworks.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at temperatures between 15°C and 25°C (59°F and 77°F). Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed under a dry inert atmosphere (e.g., nitrogen or argon) after opening to prevent reaction with atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (NCO Content)	≥ 99.0%
Purity (HPLC)	≥ 98.5%
Hydrolyzable Chloride	≤ 10 ppm
Total Chlorine	≤ 20 ppm
Viscosity (25°C)	Contact for details
Specific Gravity (25°C)	Contact for details

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