Description

Spiro[4.4]Nonane-1,6-Dione is a high-purity, bicyclic diketone compound characterized by its unique spirocyclic structure. This specialized intermediate is valued for its rigid molecular framework and dual carbonyl functionality, which are critical for synthesizing complex organic molecules. It is primarily sought by research and development chemists in the pharmaceutical and advanced materials sectors for applications in drug discovery, ligand synthesis, and polymer chemistry.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring constrained, three-dimensional architectures.
• Organic Synthesis Reagent: Used in cyclization reactions, ring-expansion protocols, and as a precursor for complex spirocyclic and bridged ring systems in medicinal chemistry.
• Ligand and Catalyst Development: Serves as a scaffold for creating chelating ligands and organocatalysts due to its defined stereochemistry and functional group handles.
• Advanced Material Research: Investigated as a monomer or cross-linking agent for developing polymers with specific thermal and mechanical properties.
• Academic and Industrial R&D: Employed in methodological studies and exploratory chemistry for developing new synthetic pathways.

Basic Information

Item	Detail
Product Name	Spiro[4.4]Nonane-1,6-Dione
CAS No.	27723-43-9
Molecular Formula	C9H12O2
Molecular Weight	152.19 g/mol
Synonyms	1,6-Dioxaspiro[4.4]nonane; Spiro[4.4]nonane-1,6-dione; 1,6-Dioxaspiro(4.4)nonane; 1,6-Dioxaspiro[4.4]nonan; Spiro(4.4)nonane-1,6-dione
EINECS	Contact for details

Quality Control

Our Spiro[4.4]Nonane-1,6-Dione is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatographic purity assays and structural confirmation, to ensure it meets the high standards required for research and industrial use. A Certificate of Analysis (COA) detailing specific results for identity, purity, and impurities is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong bases, and reducing agents.

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.