Description

Methyl-5-Norbornene-2,3-Dicarboxylic Anhydride (Mixture Of Isomers) is a specialized, high-purity bicyclic anhydride derivative used as a critical building block in advanced polymer synthesis. This compound matters for its ability to introduce rigid, hydrophobic norbornene units into polymer backbones, significantly enhancing thermal stability and mechanical properties. It is primarily needed by R&D chemists and production engineers in the specialty polymers, advanced epoxy resins, and pharmaceutical intermediates sectors.

Application

• Epoxy Resin Curing Agent & Hardener: Imparts high heat resistance, chemical resistance, and low shrinkage to cured epoxy systems for electronics and composites.
• Polyimide & Polyamide Synthesis: Serves as a monomer for producing high-performance polymers with exceptional thermal stability for aerospace and flexible electronics.
• Alkyd & Saturated Polyester Resins: Used as a modifying agent to improve hardness, weatherability, and drying properties of coating resins.
• Pharmaceutical Intermediate: Acts as a key precursor in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Crosslinking Agent for Polymers: Enhances the crosslink density and performance of various elastomers and thermosetting plastics.
• Organic Synthesis Reagent: Employed in Diels-Alder reactions and other cycloadditions to construct complex polycyclic structures in fine chemicals.

Basic Information

Product Name	Methyl-5-Norbornene-2,3-Dicarboxylic Anhydride (Mixture Of Isomers)
CAS No.	14806-35-0
Molecular Formula	C₁₀H₁₀O₃
Molecular Weight	178.18 g/mol
Synonyms	5-Methyl-5-norbornene-2,3-dicarboxylic anhydride; Methylnorbornenedicarboxylic Anhydride; 2,5-Norbornadiene-2,3-dicarboxylic acid, 5-methyl-, anhydride; 5-Methylbicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic anhydride; Methyl nadic anhydride (MNA) derivative; Methyl himic anhydride; 5-Methyl-3a,4,7,7a-tetrahydro-4,7-methanoisobenzofuran-1,3-dione; 14806-35-0
EINECS	Contact for details

Quality Control

Our Methyl-5-Norbornene-2,3-Dicarboxylic Anhydride is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including assay, isomer ratio determination, and impurity profiling, to ensure consistent high purity and performance for your critical applications. Certificates of Analysis (COA) detailing specifications and test results are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent moisture absorption and hydrolysis.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0% (sum of isomers)
Isomer Ratio (GC/HPLC)	Contact for details
Melting Point	Contact for details
Water Content (KF)	≤ 0.5% w/w
Heavy Metals	≤ 10 ppm

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