Description

2,8,9-Trioxabicyclo[4.2.1]non-4-en-3-one is a specialized heterocyclic organic compound featuring a unique bridged trioxa structure. This compound serves as a valuable chemical intermediate and building block in advanced organic synthesis, particularly for creating complex molecular architectures. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science sectors for developing novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Building block for developing new herbicides, fungicides, and plant growth regulators.
• Material Science Research: Used in the development of specialty polymers, resins, and advanced organic materials.
• Academic & Industrial R&D: Valuable reagent for methodological studies in organic chemistry and catalysis.
• Fine Chemical Production: Intermediate for manufacturing complex fragrance and flavor compounds.

Basic Information

Product Name	2,8,9-Trioxabicyclo[4.2.1]non-4-en-3-one
CAS No.	71021-22-2
Molecular Formula	C6H6O4
Molecular Weight	142.11 g/mol
Synonyms	2,8,9-Trioxabicyclo[4.2.1]non-4-en-3-one; 4,7-Epoxyisobenzofuran-1,3-dione; 1,3-Dioxo-1,3-dihydroisobenzofuran-4,7-epoxide; 4,7-Epoxyphthalic anhydride; 4,7-Epoxy-1,3-isobenzofurandione; 4,7-Epoxyisobenzofuran-1,3-dione; 4,7-Epoxyphthalic anhydride
EINECS	Contact for details

Quality Control

Our 2,8,9-Trioxabicyclo[4.2.1]non-4-en-3-one is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance. We provide comprehensive Certificates of Analysis (COA) detailing purity, identity, and impurity profiles. Our quality systems support development from research quantities to commercial scale, ensuring reliable supply and traceability for critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong bases and reducing agents. For long-term storage, consider under an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
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.