Description

Endo-Bicyclo[2.2.2]Oct-5-Ene-2,3-Dicarboxylic Anhydride is a high-purity, reactive bicyclic anhydride monomer. This compound is valued for its rigid, compact structure and its ability to introduce reactive anhydride functionality into polymer chains and small molecule syntheses. It is primarily sought by R&D chemists and process engineers in the advanced polymer and specialty chemical sectors for developing materials with enhanced thermal and mechanical properties.

Application

• Epoxy Resin Curing Agent & Hardener: Used as a reactive intermediate to formulate high-performance, thermally stable epoxy resin systems for composites and coatings.
• Polyimide & Polyamide Synthesis: Serves as a key monomer for the production of advanced engineering plastics with excellent heat resistance and strength.
• Pharmaceutical Intermediate: Employed in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs) requiring its unique bicyclic scaffold.
• Crosslinking Agent for Polymers: Utilized to introduce crosslinks into polymer backbones, improving chemical resistance and dimensional stability.
• Organic Synthesis Building Block: Acts as a versatile reagent for Diels-Alder reactions and other cycloadditions in academic and industrial research.
• Adhesive & Sealant Formulations: Incorporated to enhance the performance and durability of high-strength industrial adhesives.

Basic Information

Product Name	Endo-Bicyclo[2.2.2]Oct-5-Ene-2,3-Dicarboxylic Anhydride
CAS No.	24327-08-0
Molecular Formula	C10H8O3
Molecular Weight	176.17 g/mol
Synonyms	5-Norbornene-2,3-dicarboxylic Anhydride, endo-; Bicyclo[2.2.2]oct-5-ene-2,3-dicarboxylic Anhydride; endo-5-Norbornene-2,3-dicarboxylic Anhydride; 2,5-Norbornadiene-2,3-dicarboxylic Anhydride, endo-; Endo-Nadic Anhydride; Endo-cis-5-Norbornene-endo-2,3-dicarboxylic Anhydride; 1,2,3,6-Tetrahydro-3a,6-methanophthalic Anhydride; 3a,4,7,7a-Tetrahydro-4,7-methanoisobenzofuran-1,3-dione
EINECS	246-195-1

Quality Control

Our Endo-Bicyclo[2.2.2]Oct-5-Ene-2,3-Dicarboxylic Anhydride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC and NMR, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment 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 a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under dry, inert conditions to prevent hydrolysis. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	160 - 165 °C
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.