Description

4-Bromophenyl Isocyanate is a versatile aromatic isocyanate building block essential for synthesizing advanced chemical intermediates. Its reactive isocyanate group enables the formation of ureas and carbamates, which are critical functional groups in pharmaceuticals and agrochemicals. This compound is particularly valuable for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking to develop new active ingredients and high-performance materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly those containing urea or carbamate linkages.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides, where the 4-bromophenyl moiety imparts specific biological activity.
• Polymer Modification: Serves as a cross-linking agent or chain extender in the production of polyurethanes and other specialty polymers to enhance material properties.
• Chemical Research: A valuable reagent in organic synthesis and medicinal chemistry for constructing complex molecules and exploring structure-activity relationships.
• Dye and Pigment Manufacturing: Employed in the synthesis of advanced colorants and functional dyes.

Basic Information

Product Name	4-Bromophenyl Isocyanate
CAS No.	2493-02-9
Molecular Formula	C7H4BrNO
Molecular Weight	198.02 g/mol
Synonyms	1-Bromo-4-isocyanatobenzene; p-Bromophenyl Isocyanate; 4-Isocyanato-1-bromobenzene; Isocyanic Acid, 4-Bromophenyl Ester; NSC 406122; 4-Bromophenylisocyanate; (4-Bromophenyl)carbimide
EINECS	219-671-2

Quality Control

Our 4-Bromophenyl Isocyanate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee it meets your specific research or production requirements.

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 material is hygroscopic (moisture-sensitive) and should be kept under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation and polymerization.

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.