Description

n-(4-Aminophenyl)Maleimide is a high-purity, bifunctional organic compound featuring both a reactive maleimide group and an aromatic amine. This unique structure makes it a critical cross-linking agent and polymer building block for advanced material synthesis. It is essential for manufacturers in the polymer, pharmaceutical, and specialty chemical industries seeking to create high-performance, thermally stable resins and targeted bioactive conjugates.

Application

• Polymer Chemistry: Key monomer for synthesizing polyimides, polyamides, and other high-performance polymers with enhanced thermal and mechanical properties.
• Epoxy Curing Agent: Acts as a co-curing agent or modifier for epoxy resin systems, improving heat resistance and cross-link density.
• Bioconjugation & Pharmaceutical Intermediates: Used to create antibody-drug conjugates (ADCs) and protein-polymer hybrids via selective reaction of the maleimide group with thiols.
• Photoresist & Electronic Materials: Serves as a precursor in photosensitive polyimides and other electronic chemicals for the semiconductor industry.
• Adhesive & Composite Formulations: Incorporated into structural adhesives and composite matrices to boost high-temperature performance.
• Research & Development: A valuable building block in organic synthesis for creating novel heterocyclic compounds and functional materials.

Basic Information

Item	Detail
Product Name	n-(4-Aminophenyl)Maleimide
CAS No.	29753-26-2
Molecular Formula	C10H8N2O2
Molecular Weight	188.18 g/mol
Synonyms	4-Maleimidoaniline; N-(4-Aminophenyl)maleimide; 1-(4-Aminophenyl)-1H-pyrrole-2,5-dione; 4-Aminophenylmaleimide; p-Aminophenylmaleimide; 4-Maleimidobenzenamine; APM; Maleimide, N-(p-aminophenyl)-
EINECS	Contact for details

Quality Control

Our n-(4-Aminophenyl)Maleimide is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for critical applications. Certificates of Analysis (COA) documenting all test results are provided and available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent degradation from atmospheric moisture.

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	≤ 1.0 %
Heavy Metals (as Pb)	≤ 20 ppm

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