Description

3-Bromo-5-Chlorophenylisocyanate is a versatile and highly reactive aromatic isocyanate building block. Its value lies in its ability to introduce both bromine and chlorine substituents onto a phenyl isocyanate core, enabling precise structural modifications in advanced synthesis. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical sectors who require specialized intermediates for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in areas requiring halogenated aromatic scaffolds.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides where the bromo-chloro-phenyl moiety confers specific biological activity.
• Polymer Chemistry: Serves as a monomer or cross-linking agent in the production of specialty polyurethanes and polyurea coatings with enhanced properties.
• Chemical Research & Development: A crucial reagent for constructing diverse heterocyclic compounds and complex organic molecules in medicinal and materials chemistry.
• Ligand and Catalyst Preparation: Utilized in the synthesis of specialized ligands for metal-organic frameworks (MOFs) or catalytic systems.

Basic Information

Product Name	3-Bromo-5-Chlorophenylisocyanate
CAS No.	35122-97-5
Molecular Formula	C7H3BrClNO
Molecular Weight	232.46 g/mol
Synonyms	1-Bromo-3-chloro-5-isocyanatobenzene; 3-Chloro-5-bromophenyl isocyanate; 5-Bromo-3-chlorophenyl isocyanate; Isocyanic acid, 3-bromo-5-chlorophenyl ester; (3-Bromo-5-chlorophenyl)isocyanate
EINECS	Contact for details

Quality Control

Every batch of 3-Bromo-5-Chlorophenylisocyanate is manufactured and tested under a strict quality management system. Our products undergo rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

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). Due to its moisture-sensitive (hygroscopic) nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from heat, open flames, and incompatible materials such as alcohols, amines, and water.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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