Description

1,6-Dioxaspiro[4.4]Nonane-2,7-Dione is a high-purity, specialized spirocyclic diketone compound. This versatile chemical building block is valued for its unique bicyclic structure, which enables its use in the synthesis of complex molecules and advanced materials. It is primarily sought by R&D chemists and process development teams in the pharmaceutical, agrochemical, and specialty polymer industries for applications requiring precise molecular architecture.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of novel active pharmaceutical ingredients (APIs), particularly for constructing complex spirocyclic and bridged ring systems.
• Agrochemical Synthesis: Used in the production of advanced crop protection agents and herbicides, where its specific structure contributes to biological activity.
• Polymer & Material Science: Serves as a monomer or cross-linking agent in the development of specialty polymers, resins, and high-performance materials with tailored thermal or mechanical properties.
• Organic Synthesis & Research: A valuable reagent in academic and industrial organic chemistry for constructing intricate molecular frameworks, including natural product analogs.
• Flavor & Fragrance Industry: Potential use as a precursor for synthesizing specific musk or aroma chemicals with complex olfactory profiles.

Basic Information

Product Name	1,6-Dioxaspiro[4.4]Nonane-2,7-Dione
CAS No.	3505-67-7
Molecular Formula	C7H8O4
Molecular Weight	156.14 g/mol
Synonyms	1,6-Dioxaspiro[4.4]nonane-2,7-dione; Spiro[1,3-dioxolane-2,1'-cyclopentane]-4,4'-dione; 1,4-Cyclopentanedione, 2,2'-(methylenedioxy)bis-; 2,2'-(Methylenedioxy)bis(1,4-cyclopentanedione); 3505-67-7; Spirocyclic diketone
EINECS	Contact for details

Quality Control

Our 1,6-Dioxaspiro[4.4]Nonane-2,7-Dione is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the exacting standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

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). Keep away from strong oxidizing agents, strong bases, and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
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.