Description

5-(p-Isocyanatobenzyl)-2-Methyl-m-Phenylene Diisocyanate is a specialized aromatic diisocyanate monomer, a key building block for high-performance polymers. This compound is valued for its ability to impart enhanced thermal stability, mechanical strength, and chemical resistance to polyurethane and polyurea systems. It is primarily required by manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries, as well as for advanced material research and development.

Application

• High-Performance Polyurethane Coatings: Used as a crosslinker in industrial, automotive, and marine coatings requiring exceptional durability and chemical resistance.
• Specialty Adhesives and Sealants: A critical component in formulating adhesives for demanding applications in aerospace, construction, and electronics assembly.
• Elastomer Production: Serves as a monomer for producing cast, thermoplastic, and millable polyurethane elastomers with superior physical properties.
• Polyurea Spray Systems: Used in fast-curing, high-abrasion-resistant polyurea formulations for linings, protective coatings, and waterproofing.
• Advanced Composite Materials: Incorporated as a matrix resin modifier in fiber-reinforced composites for the automotive and sporting goods industries.
• Chemical Intermediate: Utilized in organic synthesis for creating novel isocyanate-terminated prepolymers and other specialty chemicals.

Basic Information

Product Name	5-(p-Isocyanatobenzyl)-2-Methyl-m-Phenylene Diisocyanate
CAS No.	82137-75-5
Molecular Formula	C17H12N2O2
Molecular Weight	276.29 g/mol
Synonyms	1,3-Diisocyanato-5-[(4-isocyanatophenyl)methyl]-2-methylbenzene; 5-[(4-Isocyanatophenyl)methyl]-2-methyl-1,3-phenylene diisocyanate; 2-Methyl-5-(4-isocyanatobenzyl)-1,3-phenylene diisocyanate; BITDI (common abbreviation); m-TMXDI (based on isomer class); Tris(4-isocyanatophenyl)methane derivative; Modified Diphenylmethane Diisocyanate (Modified MDI) type
EINECS	Contact for details

Quality Control

Our production of 5-(p-Isocyanatobenzyl)-2-Methyl-m-Phenylene Diisocyanate adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including assay, isocyanate content determination, and impurity profiling, to ensure consistency and high purity. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at temperatures recommended for isocyanate handling (typically 15-25°C). This product is hygroscopic (moisture-sensitive); containers must be kept sealed under a dry inert atmosphere (e.g., nitrogen or dry air) to prevent reaction with atmospheric moisture and CO2.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (NCO Content)	≥ 99.0 %
Purity (HPLC)	≥ 98.5 %
Hydrolyzable Chloride	≤ 50 ppm
Viscosity (at 25°C)	Contact for details
Specific Gravity (at 25°C)	Contact for details

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