Description

4-Bromophenylurea is a versatile brominated aromatic urea derivative, serving as a critical building block in advanced organic synthesis. Its value lies in its ability to introduce both a bromo substituent and a urea functional group, enabling the construction of complex molecules with tailored properties. This high-purity intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries developing new active ingredients and specialty polymers.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of bioactive molecules, potential drug candidates, and enzyme inhibitors.
• Agrochemical Synthesis: Building block for developing novel herbicides, fungicides, and plant growth regulators.
• Material Science: Used in the research and production of specialty polymers, dyes, and liquid crystals.
• Chemical Research: Serves as a standard or reagent in organic methodology development and catalysis studies.
• Cross-coupling Reactions: The bromo group makes it a suitable substrate for Suzuki, Heck, and other palladium-catalyzed coupling reactions.

Basic Information

Product Name	4-Bromophenylurea
CAS No.	1967-25-5
Molecular Formula	C7H7BrN2O
Molecular Weight	215.05 g/mol
Synonyms	1-(4-Bromophenyl)urea; p-Bromophenylurea; N-(4-Bromophenyl)urea; Urea, (4-bromophenyl)-; 4-Bromoanilinium carbamate; 4-Bromo-phenyl-urea; (4-Bromophenyl)carbamide
EINECS	217-826-5

Quality Control

Our 4-Bromophenylurea is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide full traceability and Certificates of Analysis (COA) are available for all shipments, detailing key parameters such as assay and impurity profiles. Our quality commitment ensures the material meets the stringent requirements for research and commercial synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Melting Point	208°C - 212°C
Loss on Drying	≤0.5%
Heavy Metals	≤20 ppm
Residue on Ignition	≤0.1%

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