Description

(4-Amino-Phenyl)-Urea is a key aromatic amine derivative used as a versatile chemical intermediate in advanced synthesis. This compound is valued for its bifunctional reactivity, featuring both a primary aromatic amine and a urea moiety, enabling its use in the production of complex heterocycles and functional polymers. It is primarily sought by the pharmaceutical, agrochemical, and specialty chemical industries for research and manufacturing applications.

Application

• Pharmaceutical Intermediate: Serves as a critical building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with urea-linked pharmacophores.
• Agrochemical Synthesis: Used in the development of modern herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Acts as a precursor in the production of azo dyes and high-performance organic pigments.
• Polymer Chemistry: Employed as a monomer or cross-linking agent in the synthesis of polyureas and other specialty polymers.
• Chemical Research: Utilized in academic and industrial R&D for exploring new organic reactions and material science applications.
• Bioconjugation Reagent: Finds application in biochemical research for protein labeling and probe synthesis due to its reactive amine groups.

Basic Information

Product Name	(4-Amino-Phenyl)-Urea
CAS No.	21492-80-8
Molecular Formula	C7H9N3O
Molecular Weight	151.16 g/mol
Synonyms	1-(4-Aminophenyl)urea; p-Aminophenylurea; 4-Aminophenylurea; N-(4-Aminophenyl)urea; Urea, (4-aminophenyl)-; Urea, N-(4-aminophenyl)-; 4-Ureidoaniline
EINECS	244-413-6

Quality Control

Our (4-Amino-Phenyl)-Urea is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for industrial and research use. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	215 - 220 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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