Description

1,3-Bis(4-Aminophenyl)Urea is a high-purity aromatic diamine derivative with a symmetrical urea core. This compound serves as a critical building block and intermediate in advanced organic synthesis, valued for its bifunctional reactivity. It is primarily utilized by manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for the development of active ingredients and high-performance materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those with urea-linked aromatic structures.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators that require a diamino-substituted urea moiety.
• Polymer & Resin Production: Acts as a monomer or chain extender in the manufacture of polyureas, polyimides, and other high-temperature or specialty polymers.
• Dye & Pigment Manufacturing: Intermediate for creating azo dyes and complex organic pigments where amino groups are essential for chromophore development.
• Crosslinking Agent: Employed in epoxy resin systems and other thermosetting plastics to modify mechanical properties and thermal stability.
• Research & Development: Serves as a valuable reagent in academic and industrial R&D for exploring new organic compounds and materials science.

Basic Information

Product Name	1,3-Bis(4-Aminophenyl)Urea
CAS No.	4550-72-5
Molecular Formula	C13H14N4O
Molecular Weight	242.28 g/mol
Synonyms	4,4'-Carbonylbisbenzeneamine; 4,4'-Diaminocarbanilide; 4,4'-Urylenedianiline; N,N'-Bis(4-aminophenyl)urea; 1,3-Di-4-aminophenylurea; Urea, 1,3-bis(4-aminophenyl)-; p,p'-Ureylenedianiline; Bis(4-aminophenyl)urea
EINECS	Contact for details

Quality Control

Our 1,3-Bis(4-Aminophenyl)Urea is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards for industrial and research use. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee traceability and compliance.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality and stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm

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