Description

4-Bromophenyl Isocyanate is a versatile aromatic isocyanate building block, essential for synthesizing ureas, carbamates, and other high-value heterocyclic compounds. Its reactive isocyanate group enables the efficient introduction of the 4-bromophenyl moiety, a key structural feature in advanced materials and pharmaceuticals. This intermediate is particularly valuable for researchers and manufacturers in the agrochemical, pharmaceutical, and specialty polymer industries seeking to develop novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of urea-based drug candidates, enzyme inhibitors, and compounds with potential biological activity.
• Agrochemical Synthesis: Building block for herbicides, fungicides, and plant growth regulators that incorporate the bromophenyl group.
• Polymer & Material Science: Used to create specialty polyurethanes, coatings, and adhesives with enhanced properties, or to functionalize surfaces and polymers.
• Chemical Research & Development: A critical reagent for medicinal chemistry, combinatorial library synthesis, and the development of novel organic frameworks.
• Dye & Pigment Industry: Intermediate in the production of specialized colorants and photographic chemicals.

Basic Information

Product Name	4-Bromophenyl Isocyanate
CAS No.	24930-20-9
Molecular Formula	C7H4BrNO
Molecular Weight	198.02 g/mol
Synonyms	p-Bromophenyl isocyanate; 1-Bromo-4-isocyanatobenzene; Isocyanic acid, 4-bromophenyl ester; 4-Bromo-1-isocyanatobenzene; (4-Bromophenyl)carbimide; NSC 404058
EINECS	Contact for details

Quality Control

Our 4-Bromophenyl Isocyanate is manufactured under strict quality control protocols to ensure high purity and batch-to-batch consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality system is designed to meet the stringent requirements of research and industrial-scale synthesis.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (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.