Description

3-(p-Isocyanatobenzyl)-o-Tolyl Isocyanate is a specialized aromatic diisocyanate monomer featuring two reactive isocyanate groups on distinct aromatic rings. This compound matters for its role as a critical building block in the synthesis of high-performance polyurethane and polyurea polymers, offering tailored cross-linking density and structural rigidity. It is needed by R&D chemists and manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries, as well as in advanced material science for creating specialized resins and composites.

Application

• Polyurethane Synthesis: A key monomer for producing cross-linked polyurethane foams, coatings, and elastomers with enhanced thermal and chemical resistance.
• High-Performance Coatings: Used in formulating industrial and protective coatings that require durability, weatherability, and excellent adhesion to substrates.
• Specialty Adhesives & Sealants: Serves as a cross-linker in adhesives and sealants where high strength and flexibility under stress are required.
• Polyurea Elastomers: Employed in the production of fast-curing polyurea systems for linings, spray-on truck bed liners, and waterproof membranes.
• Advanced Composite Materials: Acts as a resin component in fiber-reinforced composites for automotive and aerospace applications.
• Chemical Intermediate: Utilized in organic synthesis to introduce urethane or urea linkages into more complex molecules, such as in pharmaceutical or agrochemical research.

Basic Information

Product Name	3-(p-Isocyanatobenzyl)-o-Tolyl Isocyanate
CAS No.	78084-30-7
Molecular Formula	C16H12N2O2
Molecular Weight	264.28 g/mol
Synonyms	1-Isocyanato-4-[(2-methylphenyl)carbamoylmethyl]benzene; 3-(4-Isocyanatobenzyl)-2-methylphenyl isocyanate; 4-[(2-Methylphenyl)carbamoylmethyl]phenyl isocyanate; Bis-isocyanate toluene derivative; p-Isocyanatobenzyl o-tolyl isocyanate; Toluene diisocyanate derivative; Aromatic diisocyanate monomer
EINECS	Contact for details

Quality Control

Our 3-(p-Isocyanatobenzyl)-o-Tolyl Isocyanate is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including assay by titration and impurity profile analysis via HPLC/GC, to ensure high purity and consistency. Certificates of Analysis (COA) detailing all specifications 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, well-ventilated area at 15-25°C. Due to its highly volatile and moisture-sensitive nature (isocyanate groups react with water), containers must be kept tightly sealed under a dry inert atmosphere (e.g., nitrogen) to prevent polymerization and degradation. Keep away from strong bases, acids, and organic solvents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (NCO content)	≥ 98.0 %
Purity (HPLC)	≥ 97.0 %
Hydrolyzable Chlorine	≤ 0.1 %
Specific Gravity (20°C)	1.15 - 1.20
Viscosity (25°C)	Contact for details

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