Description

N,N'-o-Phenylenedimaleimide CAS NO 13118-04-2 is a high-purity, bifunctional maleimide derivative widely used as a crosslinking agent and polymer modifier. Its core value lies in its ability to undergo efficient addition reactions with nucleophiles, enabling the thermal or photo-induced curing of resins and the enhancement of material properties. This compound is essential for manufacturers in the polymer, electronics, and advanced materials sectors seeking to improve the thermal stability, mechanical strength, and chemical resistance of their products.

Application

• Crosslinking agent for high-performance epoxy, polyimide, and bismaleimide (BMI) resins.
• Key intermediate in the synthesis of heat-resistant polymers for aerospace and automotive composites.
• Modifier for rubber and elastomers to enhance vulcanization efficiency and aging resistance.
• Component in photo-curable resins and inks for electronics and 3D printing applications.
• Building block for pharmaceutical intermediates and active pharmaceutical ingredients (APIs).
• Research chemical for developing novel polymeric materials and studying reaction mechanisms.
• Additive in adhesives and sealants to improve thermal and chemical durability.

Basic Information

Product Name	N,N'-o-Phenylenedimaleimide
CAS No.	13118-04-2
Molecular Formula	C14H8N2O4
Molecular Weight	268.23 g/mol
Synonyms	1,1'-(1,2-Phenylene)bis-1H-pyrrole-2,5-dione; o-Phenylenebismaleimide; N,N'-o-Phenylenebismaleimide; 1,2-Bis(maleimido)benzene; o-Phenylene dimaleimide; Bismaleimide, o-phenylene-; o-Xylylenebismaleimide; 1,2-Phenylenedimaleimide
EINECS	Contact for details

Quality Control

Our N,N'-o-Phenylenedimaleimide is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets exacting specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability, consistency, and compliance with your technical requirements.

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 bases and reducing agents.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	195 - 205 °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.