Description

4-Bromo-2,6-Dimethylphenyl Isocyanate is a halogenated aromatic isocyanate monomer, a key building block for synthesizing specialized polymers and fine chemicals. Its value lies in the unique reactivity of the isocyanate group and the steric/electronic influence of the bromine and methyl substituents on the aromatic ring, enabling the creation of materials with tailored properties. This compound is essential for R&D and production in the agrochemical and pharmaceutical industries, where it serves as a critical intermediate for active ingredients and advanced materials.

Application

• Agrochemical Intermediate: A crucial precursor in the synthesis of novel herbicides, fungicides, and insecticides, where the bromine atom offers a versatile site for further functionalization.
• Pharmaceutical Building Block: Used in medicinal chemistry to develop active pharmaceutical ingredients (APIs), particularly in creating urea and carbamate derivatives with specific biological activity.
• Polymer & Resin Modifier: Incorporated into polyurethane and polyurea systems to impart enhanced chemical resistance, thermal stability, and specific mechanical properties to coatings, adhesives, and elastomers.
• Cross-linking Agent: Functions as a reactive cross-linker for polymers containing hydroxyl or amine groups, improving network density and performance in specialty coatings.
• Chemical Research & Development: Serves as a versatile reagent in organic synthesis for constructing complex heterocycles and other advanced molecular architectures in academic and industrial labs.
• Dye & Pigment Synthesis: Acts as an intermediate in the production of specialized colorants and pigments requiring specific lightfastness and stability properties.

Basic Information

Product Name	4-Bromo-2,6-Dimethylphenyl Isocyanate
CAS No.	77159-76-3
Molecular Formula	C9H8BrNO
Molecular Weight	226.07 g/mol
Synonyms	2,6-Dimethyl-4-bromophenyl isocyanate; 4-Bromo-2,6-dimethylbenzenecarbonyl isocyanate; 1-Bromo-3,5-dimethyl-4-isocyanatobenzene; 4-Bromo-2,6-xylyl isocyanate; Isocyanic acid, 4-bromo-2,6-dimethylphenyl ester; (4-Bromo-2,6-dimethylphenyl)isocyanate
EINECS	Contact for details

Quality Control

Our 4-Bromo-2,6-Dimethylphenyl Isocyanate is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets precise customer specifications and high-purity standards. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be kept under a dry inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation and polymerization. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 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.