Description

1,3-Bis(6-Isocyanatohexyl)-5-(3-Isocyanato-p-Tolyl)-1,3,5-Triazine-2,4,6-(1H,3H,5H)-Trione CAS NO 93859-05-3 is a specialized aliphatic-aromatic polyfunctional isocyanate, a key monomer for synthesizing high-performance polymers. This compound is valued for its ability to impart exceptional durability, chemical resistance, and thermal stability to polyurethane and polyisocyanurate networks. It is primarily sought by R&D and production teams in the advanced coatings, specialty adhesives, and high-end elastomer industries.

Application

• High-Performance Coatings: As a crosslinking agent for automotive clear coats, industrial maintenance paints, and aerospace coatings requiring superior weatherability and chemical resistance.
• Specialty Adhesives & Sealants: Used in formulating adhesives for demanding applications in electronics, construction, and automotive assembly, offering excellent bond strength and flexibility.
• Advanced Elastomers: Serves as a key component in the production of polyurethane and polyurea elastomers for rollers, gaskets, and impact-resistant parts.
• Composite Materials: Acts as a reactive modifier in fiber-reinforced plastics (FRP) and other composite systems to enhance interfacial adhesion and mechanical properties.
• Polyisocyanurate (PIR) Foams: Utilized in the synthesis of rigid foams for insulation, contributing to improved fire retardancy and thermal stability.
• Chemical Intermediate: Employed in organic synthesis to create novel polymers, dendrimers, and other advanced materials with tailored functionalities.

Basic Information

Product Name	1,3-Bis(6-Isocyanatohexyl)-5-(3-Isocyanato-p-Tolyl)-1,3,5-Triazine-2,4,6-(1H,3H,5H)-Trione
CAS No.	93859-05-3
Molecular Formula	C29H33N7O6
Molecular Weight	575.62 g/mol
Synonyms	Hexamethylene Diisocyanate Isocyanurate Trimer (HDI Trimer) Modified with Toluene Diisocyanate (TDI); TDI-HDI Hybrid Trimer; 1,3,5-Tris(6-isocyanatohexyl)-1,3,5-triazine-2,4,6(1H,3H,5H)-trione, 5-(3-Isocyanato-4-methylphenyl)-1,3-bis(6-isocyanatohexyl)-; Modified HDI-based polyisocyanate; Aliphatic-aromatic polyisocyanate; Isocyanurate of HDI and TDI; Polyfunctional isocyanate crosslinker.
EINECS	Contact for details

Quality Control

Our production of 1,3-Bis(6-Isocyanatohexyl)-5-(3-Isocyanato-p-Tolyl)-1,3,5-Triazine-2,4,6-(1H,3H,5H)-Trione adheres to stringent quality management protocols. Each batch undergoes comprehensive analysis, including determination of NCO content, viscosity, color, and monomer content, to ensure consistency and performance. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. Our quality system is designed to support customer needs in ISO-compliant manufacturing environments.

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). This product is hygroscopic (moisture-sensitive) and must be kept under a dry, inert atmosphere (e.g., nitrogen or dry air) to prevent premature reaction and degradation. Keep away from heat, sparks, open flames, and incompatible materials such as alcohols, amines, and water.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
NCO Content	Contact for details
Viscosity (25°C)	Contact for details
Color (Gardner)	≤ 2
Monomer Content (HDI)	< 0.5%
Specific Gravity (25°C)	Contact for details
Water Content	< 0.05%

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