Description

1,1-Diphenylurea is a high-purity organic compound with the CAS registry number 603-54-3, serving as a versatile intermediate in advanced chemical synthesis. Its value lies in its role as a key building block for pharmaceuticals, agrochemicals, and specialty polymers, where consistent quality and reliable supply are paramount. This product is essential for R&D laboratories and production facilities in the pharmaceutical, agrochemical, and material science industries seeking a dependable source for complex organic synthesis.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the manufacturing of herbicides, fungicides, and plant growth regulators.
• Polymer Chemistry: Acts as a monomer or chain extender in the production of specialty polyurethanes and other high-performance polymers.
• Chemical Research: Employed in organic synthesis laboratories for developing novel compounds and conducting structure-activity relationship (SAR) studies.
• Dye and Pigment Manufacturing: Serves as an intermediate in the synthesis of certain organic dyes and colorants.
• Cross-linking Agent: Utilized in formulations requiring specific cross-linking properties for resins and coatings.

Basic Information

Product Name	1,1-Diphenylurea
CAS No.	603-54-3
Molecular Formula	C13H12N2O
Molecular Weight	212.25 g/mol
Synonyms	N,N'-Diphenylurea; Carbanilide; Sym-Diphenylurea; Urea, 1,1-diphenyl-; Urea, N,N'-diphenyl-; Diphenylcarbamide; NSC 6050; USAF EK-497
EINECS	210-056-8

Quality Control

Our 1,1-Diphenylurea is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot is analyzed against rigorous in-house specifications, which typically include identity confirmation, assay, and impurity profile checks. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance protocols.

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.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	238°C - 242°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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