Description

1-o-Tolyl-Pyrrole-2,5-Dione is a specialized heterocyclic compound belonging to the pyrrole-2,5-dione (maleimide) family, distinguished by its o-tolyl substituent. This structural motif makes it a valuable high-purity chemical intermediate for advanced synthesis in research and industrial chemistry. It is primarily sought by pharmaceutical, agrochemical, and material science sectors for the development of novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing novel drug candidates, particularly in the development of kinase inhibitors and other targeted therapies.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, leveraging its heterocyclic core for bioactivity.
• Polymer Science: Serves as a functional monomer or cross-linking agent in the manufacture of specialty polymers, resins, and high-performance materials.
• Organic Electronics: Investigated as a precursor for organic semiconductors and conductive materials due to its electron-deficient pyrrole-dione structure.
• Chemical Research: A versatile reagent in academic and industrial R&D for heterocyclic chemistry, medicinal chemistry, and material science projects.
• Dye and Pigment Intermediate: Potential use in the synthesis of complex organic colorants and functional dyes.

Basic Information

Product Name	1-o-Tolyl-Pyrrole-2,5-Dione
CAS No.	4067-01-0
Molecular Formula	C11H9NO2
Molecular Weight	187.20 g/mol
Synonyms	1-(2-Methylphenyl)-1H-pyrrole-2,5-dione; N-(o-Tolyl)maleimide; 2-Methylphenylmaleimide; o-Tolylmaleimide; 1-(2-Methylphenyl)maleimide; N-(2-Methylphenyl)maleimide; 1H-Pyrrole-2,5-dione, 1-(2-methylphenyl)-; Maleimide, N-o-tolyl-
EINECS	Contact for details

Quality Control

Our 1-o-Tolyl-Pyrrole-2,5-Dione is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and spectroscopic identification (IR, NMR), to ensure it meets precise customer specifications. Certificates of Analysis (COA) documenting assay, impurity profile, and physical properties are available upon request.

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 incompatible materials such as strong bases and reducing agents.

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%
Heavy Metals	≤ 20 ppm

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