Description

Maleanilic Acid, 4-Vinyl- is a versatile bifunctional monomer featuring both a reactive maleimide group and a polymerizable vinyl group. This unique structure makes it a critical intermediate for synthesizing advanced polymers and specialty chemicals. It is primarily sought after by R&D chemists and production engineers in the polymer, pharmaceutical, and advanced materials sectors for creating tailored macromolecules with specific properties.

Application

• Polymer Modification & Cross-linking Agent: Used to introduce reactive sites into polymer backbones (e.g., polyolefins, acrylics) for enhanced cross-linking, adhesion, or thermal stability.
• Thermoset Resin Synthesis: A key monomer in the production of high-performance bismaleimide (BMI) resins and polyimides for aerospace and electronics applications.
• Pharmaceutical Intermediate: Serves as a building block for the synthesis of active pharmaceutical ingredients (APIs) and drug delivery conjugates.
• Surface Coating & Adhesive Formulations: Imparts improved durability, chemical resistance, and bonding strength in specialty coatings and adhesives.
• Bioconjugation & Protein Labeling: Utilized in life sciences research for modifying proteins, antibodies, and other biomolecules via the maleimide-thiol coupling reaction.
• Advanced Material Research: Employed in developing self-healing polymers, smart hydrogels, and other functional materials in academic and industrial R&D.

Basic Information

Product Name	Maleanilic Acid, 4-Vinyl-
CAS No.	21204-02-4
Molecular Formula	C12H9NO3
Molecular Weight	215.20 g/mol
Synonyms	4-Vinylmaleanilic Acid; N-(4-Vinylphenyl)maleamic Acid; 4-Ethenyl-N-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzamide; 1-(4-Vinylphenyl)-1H-pyrrole-2,5-dione-3-carboxamide; Maleanilic acid, p-vinyl-; p-Vinylmaleanilic Acid
EINECS	Contact for details

Quality Control

Our production of Maleanilic Acid, 4-Vinyl- follows stringent in-process controls and final batch testing to ensure consistent purity and performance. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as assay, identity, and impurity profiles. We adhere to cGMP principles where applicable, and our quality system is designed to meet the rigorous demands of industrial and research applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). The product may be light-sensitive and should be handled accordingly to maintain stability.

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%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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