Description

Methyl-5-Norbornene-2,3-Dicarboxylic Anhydride is a specialized, high-purity bicyclic anhydride monomer derived from norbornene chemistry. This compound is valued for its ability to introduce rigid, hydrophobic, and reactive functionalities into advanced polymer systems, enhancing thermal and mechanical properties. It is a critical intermediate for manufacturers in the polymer, electronics, and specialty chemical industries seeking to develop high-performance materials.

Application

• Epoxy Resin Curing Agent & Modifier: Imparts high heat resistance, low dielectric constant, and improved adhesion in advanced electronic encapsulants and structural composites.
• Polyimide & Polyamide Synthesis: Serves as a key monomer for producing high-temperature, transparent films used in flexible printed circuits (FPC) and display components.
• Alkyd & Saturated Polyester Resins: Used to modify resin properties for coatings, improving hardness, chemical resistance, and weatherability.
• Photoresist & Photosensitive Polymers: A building block for polymers in semiconductor photolithography and advanced photoresist formulations.
• Pharmaceutical & Agrochemical Intermediates: Utilized in the synthesis of complex molecules requiring the norbornane skeleton for biological activity.
• Adhesive & Sealant Formulations: Enhances the thermal stability and bond strength of high-performance adhesives.

Basic Information

Product Name	Methyl-5-Norbornene-2,3-Dicarboxylic Anhydride
CAS No.	25134-21-8
Molecular Formula	C10H10O3
Molecular Weight	178.18 g/mol
Synonyms	5-Methyl-5-norbornene-2,3-dicarboxylic anhydride; Methylnorbornenedicarboxylic Anhydride; Methyl nadic anhydride (MNA); 5-Methylbicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic anhydride; 5-Methyl-2,5-norbornadiene-2,3-dicarboxylic anhydride; Methyl-endo,cis-bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic anhydride; Methyl HN Anhydride; Methyl Himic Anhydride
EINECS	Contact for details

Quality Control

Our production of Methyl-5-Norbornene-2,3-Dicarboxylic Anhydride adheres to a strict quality management system. Every batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure consistent purity and performance. Certificates of Analysis (COA) detailing assay, impurity profile, and physical specifications are available upon request to support your quality assurance protocols.

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). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality and performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm

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