Description

3-Isocyanato-1,2,4,5-Tetramethylbenzene is a specialized aromatic isocyanate monomer, a key building block in the synthesis of advanced polymers and fine chemicals. Its unique sterically hindered structure, derived from the tetramethylbenzene (durene) backbone, imparts enhanced stability and tailored reactivity compared to conventional isocyanates. This compound is essential for researchers and manufacturers developing high-performance polyurethanes, coatings, adhesives, and pharmaceutical intermediates where specific molecular architecture is required.

Application

• Polymer Synthesis: A critical monomer for producing specialty polyurethanes and polyisocyanurates with enhanced thermal and chemical resistance for high-performance coatings and elastomers.
• Crosslinking Agent: Used in the formulation of advanced adhesives, sealants, and potting compounds, providing superior durability and bond strength.
• Pharmaceutical Intermediates: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs) and other biologically active molecules.
• Agrochemicals: Employed in the production of advanced pesticides and herbicides, where its structural properties contribute to product efficacy and stability.
• Material Science Research: A valuable reagent for developing novel polymers, dendrimers, and other functional materials with customized properties.
• Surface Modifiers: Used to functionalize surfaces and nanoparticles, creating tailored interfaces for composite materials and sensors.

Basic Information

Product Name	3-Isocyanato-1,2,4,5-Tetramethylbenzene
CAS No.	58149-28-3
Molecular Formula	C11H13NO
Molecular Weight	175.23 g/mol
Synonyms	1,2,4,5-Tetramethyl-3-isocyanatobenzene; 3-Isocyanatodurene; Durene-3-isocyanate; 1-Isocyanato-2,4,5,6-tetramethylbenzene; Tetramethylphenyl isocyanate; Isocyanic acid, 2,4,5,6-tetramethylphenyl ester
EINECS	Contact for details

Quality Control

Our 3-Isocyanato-1,2,4,5-Tetramethylbenzene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every 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 a controlled room temperature (15-25°C). 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 hydrolysis and degradation. Keep away from strong acids and incompatible organic solvents.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Individual impurity ≤ 1.0%; Total impurities ≤ 2.0%

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