Description

1-Bromo-4-Isocyanobenzene is a versatile aromatic isocyanate building block, essential for constructing complex molecular architectures. Its primary value lies in its dual functionality, where the reactive isocyanate group enables polymer formation and the bromine substituent offers a site for further cross-coupling reactions. This compound is critically needed by researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors for synthesizing active ingredients, ligands, and specialty polymers.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a phenyl isocyanate moiety.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides, where the bromine atom allows for further structural diversification.
• Polymer & Resin Production: Serves as a monomer or cross-linking agent in the manufacture of polyurethanes, polyureas, and other specialty polymers with tailored properties.
• Ligand & Catalyst Development: Employed in organometallic chemistry to create sophisticated ligands for catalysis, leveraging the isocyanate and halogen functional groups.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D in organic synthesis, material science, and medicinal chemistry.
• Dye & Pigment Manufacturing: Acts as an intermediate in the production of complex colorants and functional dyes.

Basic Information

Product Name	1-Bromo-4-Isocyanobenzene
CAS No.	33554-73-3
Molecular Formula	C7H4BrNO
Molecular Weight	198.02 g/mol
Synonyms	4-Bromophenyl isocyanate; p-Bromophenyl isocyanate; Isocyanic acid, 4-bromophenyl ester; 1-Isocyanato-4-bromobenzene; 4-Bromo-1-isocyanatobenzene; (4-Bromophenyl)isocyanate; NSC 404083
EINECS	Contact for details

Quality Control

Our 1-Bromo-4-Isocyanobenzene is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatographic purity assays and identity confirmation. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to prevent decomposition. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
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.