Description

1H-Pyrrole-2,5-Dione, 1,3-Dimethyl- is a versatile heterocyclic compound, specifically a substituted maleimide, that serves as a critical building block in advanced organic synthesis. Its value lies in its reactive imide functionality, which makes it an essential precursor for creating polymers, pharmaceuticals, and specialty chemicals. This high-purity intermediate is primarily needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and polymer science sectors for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing imide or succinimide moieties.
• Polymer Chemistry: Serves as a monomer or cross-linking agent in the production of specialty polyimides and other high-performance polymers.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Organic Synthesis Building Block: Employed in Michael addition reactions, nucleophilic substitutions, and cycloadditions to construct complex molecular architectures.
• Material Science: Utilized in the development of advanced materials, including liquid crystals, organic semiconductors, and coatings.
• Bioconjugation & Labeling: Acts as a reagent for modifying proteins, peptides, and other biomolecules due to its reactivity with amine groups.

Basic Information

Item	Details
Product Name	1H-Pyrrole-2,5-Dione, 1,3-Dimethyl-
CAS No.	4050-34-4
Molecular Formula	C6H7NO2
Molecular Weight	125.13 g/mol
Synonyms	1,3-Dimethylmaleimide; 2,5-Dimethylpyrrole-3,4-dione; N,N-Dimethylmaleimide; Dimethylmaleimide; 1,3-Dimethyl-1H-pyrrole-2,5-dione; Maleimide, N,N-dimethyl-; 3,4-Dimethyl-2,5-diketopyrrolidine
EINECS	223-749-1

Quality Control

Our 1H-Pyrrole-2,5-Dione, 1,3-Dimethyl- is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and spectroscopic methods for identity confirmation, to ensure it meets the high standards required for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

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 heat, sparks, and open flame. Due to its light-sensitive nature, containers should be opaque or stored in dark conditions.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	94 - 98 °C
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.