Description

1-(4-Methylphenyl)-1H-Pyrrole-2,5-Dione is a high-purity organic chemical building block, also known as N-(p-Tolyl)maleimide. This compound is valued for its role as a versatile intermediate in advanced organic synthesis, particularly in the creation of polymers and functional materials. It is essential for R&D chemists and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking to develop novel compounds with specific thermal or mechanical properties.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new active pharmaceutical ingredients (APIs).
• Polymer Science: Serves as a monomer or cross-linking agent in the synthesis of polyimides and other high-performance polymers.
• Agrochemical Synthesis: Used in the production of advanced crop protection agents and herbicides.
• Material Science: Employed in the development of specialty coatings, adhesives, and electronic materials.
• Chemical Research: A valuable reagent for Diels-Alder reactions and other cycloaddition processes in organic chemistry.
• Dye and Pigment Industry: Acts as an intermediate in the synthesis of complex organic colorants.

Basic Information

Product Name	1-(4-Methylphenyl)-1H-Pyrrole-2,5-Dione
CAS No.	1631-28-3
Molecular Formula	C11H9NO2
Molecular Weight	187.20 g/mol
Synonyms	N-(4-Methylphenyl)maleimide; N-(p-Tolyl)maleimide; p-Tolylmaleimide; 1-(p-Tolyl)-1H-pyrrole-2,5-dione; 4-Methylphenylmaleimide; Maleimide, N-(p-tolyl)-; N-p-Tolylmaleimide
EINECS	Contact for details

Quality Control

Our 1-(4-Methylphenyl)-1H-Pyrrole-2,5-Dione is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available for all commercial quantities. We support custom purity requirements to meet specific project needs.

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 strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.