Description

3,5-Dimethylphenyl Isocyanate is a versatile aromatic isocyanate monomer used as a key building block in advanced polymer synthesis. Its value lies in introducing the sterically hindered 3,5-dimethylphenyl group, which can enhance the thermal stability, chemical resistance, and mechanical properties of the resulting materials. This compound is essential for R&D and production in sectors requiring high-performance polyurethanes, coatings, and specialty chemical intermediates.

Application

• Polyurethane Synthesis: Serves as a core monomer for producing specialized polyurethane elastomers, coatings, adhesives, and sealants with tailored properties.
• Advanced Material Research: Used in R&D to develop new polymers with enhanced thermal and oxidative stability for demanding industrial applications.
• Agrochemical Intermediates: Acts as a precursor in the synthesis of certain herbicides, pesticides, and plant growth regulators.
• Pharmaceutical Intermediates: Employed in the multi-step synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Cross-linking Agent: Functions as an effective cross-linker for resins and polymers, improving their durability and performance.
• Specialty Coatings: A key ingredient in formulating high-performance industrial and protective coatings that require resistance to chemicals and abrasion.

Basic Information

Product Name	3,5-Dimethylphenyl Isocyanate
CAS No.	54132-75-1
Molecular Formula	C9H9NO
Molecular Weight	147.17 g/mol
Synonyms	3,5-Dimethylphenyl isocyanate; 3,5-Xylyl isocyanate; Isocyanic acid, 3,5-dimethylphenyl ester; 1-Isocyanato-3,5-dimethylbenzene; m-Xylylene isocyanate (specific isomer); 3,5-Dimethylbenzenisocyanate
EINECS	Contact for details

Quality Control

Our 3,5-Dimethylphenyl Isocyanate is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality management system is designed to meet the rigorous standards required by our global B2B partners in research and industrial manufacturing.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be kept under a dry inert atmosphere (e.g., nitrogen) after opening to prevent degradation. Keep away from strong bases and incompatible materials such as alcohols, amines, and water.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%

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