Description

3-Chloro-4-Methylphenyl Isocyanate is a versatile aromatic isocyanate monomer used as a key building block in the synthesis of advanced polymers and specialty chemicals. Its reactive isocyanate group enables the formation of urethane, urea, and other functional linkages, making it critical for creating materials with tailored properties. This compound is essential for manufacturers in the agrochemical, pharmaceutical, and high-performance polymer industries seeking to develop products with specific performance characteristics.

Application

• Agrochemical Intermediates: Serves as a crucial precursor in the synthesis of modern herbicides, fungicides, and insecticides, where its aromatic chloro-methyl structure imparts specific biological activity.
• Pharmaceutical Synthesis: Used as a reactive intermediate for constructing pharmacologically active molecules, including potential candidates for drug discovery and development.
• Polyurethane & Polyurea Resins: Acts as a core monomer for producing specialty polyurethane coatings, adhesives, sealants, and elastomers (CASE) with enhanced chemical resistance and durability.
• Crosslinking Agent: Employed in the formulation of high-performance paints, varnishes, and industrial coatings to improve hardness, gloss, and weatherability.
• Chemical Research & Development: A valuable reagent in organic synthesis for laboratories and R&D centers exploring new chemical entities and material science applications.
• Dye & Pigment Manufacturing: Functions as an intermediate in the production of complex organic dyes and pigments, contributing to color stability and performance.

Basic Information

Product Name	3-Chloro-4-Methylphenyl Isocyanate
CAS No.	28479-22-3
Molecular Formula	C8H6ClNO
Molecular Weight	167.59 g/mol
Synonyms	1-Chloro-4-Isocyanato-2-Methylbenzene; 3-Chloro-p-Tolyl Isocyanate; 4-Methyl-3-Chlorophenyl Isocyanate; 2-Methyl-4-Chlorophenyl Isocyanate; Isocyanic Acid, 3-Chloro-4-Methylphenyl Ester; 3-Chloro-4-Methyl Phenyl Isocyanate; (3-Chloro-4-methylphenyl)isocyanate
EINECS	Contact for details

Quality Control

Our 3-Chloro-4-Methylphenyl Isocyanate is manufactured under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay, impurity profiling, and identity confirmation. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee compliance with your technical requirements.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Color (APHA)	≤ 50
Water Content (KF)	≤ 0.1%
Hydrolyzable Chlorine	≤ 0.1%

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