Description

3-Methylpyrrole-2,5-Dione is a versatile heterocyclic compound that serves as a key building block in advanced organic synthesis. Its unique structure makes it a valuable intermediate for creating complex molecules with specific functional properties. This product is essential for research and development chemists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those containing pyrrole or maleimide motifs.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides, leveraging its reactivity to create targeted bioactive compounds.
• Polymer & Material Science: Acts as a monomer or cross-linking agent for producing specialty polymers, coatings, and resins with enhanced thermal or chemical resistance.
• Dye & Pigment Manufacturing: Serves as a key intermediate for synthesizing advanced organic colorants and photostable pigments.
• Research & Development: Employed in academic and industrial R&D for exploring new chemical entities, reaction pathways, and catalytic processes.
• Ligand & Chelator Synthesis: Utilized to create complexing agents and ligands for metal catalysis and extraction processes.

Basic Information

Product Name	3-Methylpyrrole-2,5-Dione
CAS No.	1072-87-3
Molecular Formula	C5H5NO2
Molecular Weight	111.10 g/mol
Synonyms	3-Methylmaleimide; 1-Methyl-1H-pyrrole-2,5-dione; 3-Methyl-2,5-pyrroledione; N-Methylmaleimide; 3-Methyl-1H-pyrrole-2,5-dione; Methylmaleimide; 1-Methylmaleimide
EINECS	213-998-5

Quality Control

Our 3-Methylpyrrole-2,5-Dione is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of our global B2B clients. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles 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, well-ventilated area at room temperature (15-25°C). Keep away from strong bases and reducing agents. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	93 - 97 °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.