Description

1,1'-(5-Methyl-1,3-Phenylene)Bis-1H-Pyrrole-2,5-Dione is a specialized organic chemical building block featuring a central substituted phenylene core symmetrically linked to two maleimide-type moieties. This compound matters for its role as a versatile precursor in advanced material science and pharmaceutical synthesis, offering a rigid, functionalized scaffold for polymerization and cross-linking reactions. It is primarily needed by R&D chemists and process engineers in the polymer, pharmaceutical, and specialty chemical industries for developing high-performance resins, drug candidates, and other functional materials.

Application

• Polymer Chemistry: Serves as a key monomer or cross-linking agent for synthesizing high-temperature resistant polyimides, bismaleimide (BMI) resins, and other thermosetting polymers used in advanced composites.
• Pharmaceutical Intermediates: Acts as a critical building block in the multi-step synthesis of complex drug molecules and bioactive compounds, leveraging its reactive maleimide groups.
• Material Science R&D: Utilized in research to develop novel organic electronic materials, liquid crystals, or coatings due to its conjugated and rigid molecular structure.
• Adhesive & Coating Formulations: Incorporated into specialty formulations to enhance thermal stability, mechanical strength, and chemical resistance in final products.
• Academic & Industrial Research: Employed as a standard or novel reagent in chemical research exploring new polymerization mechanisms or organic synthesis pathways.

Basic Information

Product Name	1,1'-(5-Methyl-1,3-Phenylene)Bis-1H-Pyrrole-2,5-Dione
CAS No.	39594-44-0
Molecular Formula	C15H10N2O4
Molecular Weight	282.25 g/mol
Synonyms	5-Methyl-1,3-phenylenebis(maleimide); 1,3-Bis(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-5-methylbenzene; 1,3-Bismaleimidobenzene, 5-methyl-; 5-Methyl-m-phenylenedimaleimide; m-Phenylenedimaleimide, 5-methyl-; 1,1'-(5-Methyl-1,3-phenylene)dimaleimide; 39594-44-0; 5-Methyl-1,3-bismaleimidobenzene
EINECS	Contact for details

Quality Control

Our 1,1'-(5-Methyl-1,3-Phenylene)Bis-1H-Pyrrole-2,5-Dione undergoes rigorous quality testing to ensure compliance with industry standards. We provide comprehensive analytical data to support your R&D and production needs. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request for every batch.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (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.