Description

4,10-Dioxatricyclo[5.2.1.0(2,6)]Dec-8-Ene-3,5-Dione is a high-purity, specialized bicyclic anhydride compound with the CAS number 5426-09-5. This versatile chemical building block is valued for its unique strained-ring structure, which imparts high reactivity and makes it a critical intermediate in advanced synthesis. It is primarily sought after by R&D chemists and process engineers in the pharmaceutical, agrochemical, and advanced materials sectors for developing novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug molecules, particularly those requiring rigid, bicyclic frameworks.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides where its anhydride functionality enables ring-opening reactions.
• Polymer & Resin Modifier: Serves as a cross-linking agent or comonomer to enhance the thermal stability and mechanical properties of specialty polymers and epoxy resins.
• Advanced Material Research: Employed in R&D for creating novel organic frameworks, dendrimers, and other functional materials.
• Fine Chemical Production: Acts as a versatile building block for synthesizing other complex fine chemicals and chiral auxiliaries.

Basic Information

Item	Details
Product Name	4,10-Dioxatricyclo[5.2.1.0(2,6)]Dec-8-Ene-3,5-Dione
CAS No.	5426-09-5
Molecular Formula	C8H6O4
Molecular Weight	166.13 g/mol
Synonyms	Bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic anhydride; 5-Norbornene-2,3-dicarboxylic anhydride; endo-Bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic anhydride; Nadic anhydride (common name); cis-5-Norbornene-endo-2,3-dicarboxylic anhydride; Bicyclo[2.2.1]hept-5-ene-endo-2,3-dicarboxylic anhydride; 3a,4,7,7a-Tetrahydro-4,7-methanoisobenzofuran-1,3-dione
EINECS	226-576-3

Quality Control

Our 4,10-Dioxatricyclo[5.2.1.0(2,6)]Dec-8-Ene-3,5-Dione is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory compliance needs.

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 material is moisture-sensitive (hygroscopic); keep the container tightly sealed to prevent degradation from atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	164 - 168 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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