Description

1-Methyl-1-Phenylurea is a substituted urea derivative of significant interest in synthetic organic chemistry. This compound serves as a versatile building block and intermediate for the development of more complex molecules, particularly in pharmaceutical and agrochemical research. It is primarily sought by R&D chemists and process development scientists for applications in medicinal chemistry, material science, and as a precursor for heterocyclic synthesis.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing urea or hydantoin scaffolds.
• Agrochemical Research: Used in the development and synthesis of novel herbicides, pesticides, and plant growth regulators.
• Material Science: Acts as a monomer or cross-linking agent in the preparation of specialty polymers, resins, and advanced materials.
• Chemical Synthesis: A valuable reagent for constructing heterocyclic compounds, such as imidazolidinediones, and in urea-based coupling reactions.
• Biochemistry & Life Sciences: Employed in biochemical research as an enzyme inhibitor or modulator for studying biological pathways.
• Dye & Pigment Industry: Intermediate in the synthesis of certain dyes and organic pigments.

Basic Information

Product Name	1-Methyl-1-Phenylurea
CAS No.	4559-87-9
Molecular Formula	C8H10N2O
Molecular Weight	150.18 g/mol
Synonyms	N-Methyl-N-phenylurea; 1-Methyl-1-phenyl-urea; N-Phenyl-N-methylurea; Urea, 1-methyl-1-phenyl-; Methylphenylurea; Phenylmethylurea; (Methylamino)(phenyl)methanone? (Incorrect IUPAC, but sometimes listed); N-Phenyl-N'-methylurea
EINECS	Contact for details

Quality Control

Our 1-Methyl-1-Phenylurea is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including identity confirmation by FT-IR and NMR, purity assessment by HPLC, and control of key impurities. We provide full traceability and Certificates of Analysis (COA) are available for all shipments to ensure the material meets your specific research or process requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	118 - 122 °C
Loss on Drying	≤ 1.0%
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.