Description

4-Methyl-3-Nitrophenyl Isocyanate is a versatile aromatic isocyanate intermediate characterized by its reactive isocyanate (-NCO) group and substituted nitro and methyl functionalities. This compound is critical for the synthesis of advanced chemical products where precise molecular architecture is required. It is primarily utilized by research institutions and industrial manufacturers in the agrochemical and pharmaceutical sectors for creating active ingredients and specialized polymers.

Application

• Agrochemical Synthesis: A key building block for the production of advanced herbicides, fungicides, and insecticides, where it is used to form urea or carbamate linkages in active molecules.
• Pharmaceutical Intermediates: Employed in the research and development of active pharmaceutical ingredients (APIs), particularly in molecules requiring specific aromatic isocyanate-derived pharmacophores.
• Polymer & Resin Modification: Serves as a cross-linking agent or chain extender in specialty polyurethane systems, coatings, and adhesives to enhance properties like chemical resistance and durability.
• Chemical Research & Development: Used in academic and industrial R&D labs as a reagent for synthesizing novel heterocyclic compounds, dyes, and other fine chemicals.
• Dye and Pigment Manufacturing: Acts as an intermediate in the synthesis of complex azo dyes and organic pigments, contributing to color strength and stability.

Basic Information

Product Name	4-Methyl-3-Nitrophenyl Isocyanate
CAS No.	13471-69-7
Molecular Formula	C8H6N2O3
Molecular Weight	178.15 g/mol
Synonyms	3-Nitro-4-methylphenyl isocyanate; 4-Methyl-3-nitrophenyl isocyanate; 1-Isocyanato-4-methyl-3-nitrobenzene; 3-Nitro-p-tolyl isocyanate; (3-Nitro-4-methylphenyl)isocyanate; 4-Methyl-3-nitrobenzenisocyanate; 3-Nitro-4-methylbenzenisocyanate; NSC 403119
EINECS	Contact for details

Quality Control

Our 4-Methyl-3-Nitrophenyl Isocyanate is manufactured under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for sensitive synthesis applications. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee traceability and consistency for our global B2B clients.

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). This product is hygroscopic (moisture-sensitive) and incompatible with strong bases and organic solvents; ensure the container is kept tightly sealed under an inert atmosphere such as nitrogen or argon to prevent degradation and polymerization.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline solid or powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%

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