Description

1,5-Dioxa-Spiro[5.5]Undecane-2,4-Dione is a high-purity spirocyclic compound, also known as 1,5-Dioxaspiro[5.5]undecane-2,4-dione, serving as a versatile and valuable building block in advanced organic synthesis. Its unique spirocyclic structure makes it a critical intermediate for the development of complex molecules, offering chemists a rigid scaffold for constructing pharmaceuticals, agrochemicals, and specialty polymers. This compound is essential for research and development laboratories and production facilities focused on creating novel active ingredients, fine chemicals, and functional materials where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug candidates, particularly those requiring spirocyclic or constrained ring systems for enhanced biological activity and metabolic stability.
• Agrochemical Synthesis: Used in the research and development of novel pesticides and herbicides, where its structure can contribute to specific modes of action and environmental profiles.
• Fine Chemical Production: Serves as a precursor for specialty chemicals, flavors, fragrances, and advanced materials requiring specific cyclic diketone functionalities.
• Polymer Science: Acts as a monomer or cross-linking agent in the development of specialty polymers with tailored thermal and mechanical properties.
• Academic & Industrial R&D: A valuable reagent for methodological development in organic chemistry, including studies on ring-opening reactions, cycloadditions, and asymmetric synthesis.
• Ligand and Catalyst Development: Its oxygen-rich structure can be utilized to create novel chelating ligands or organocatalysts for asymmetric transformations.

Basic Information

Product Name	1,5-Dioxa-Spiro[5.5]Undecane-2,4-Dione
CAS No.	1658-27-1
Molecular Formula	C9H12O4
Molecular Weight	184.19 g/mol
Synonyms	1,5-Dioxaspiro[5.5]undecane-2,4-dione; Spiro[1,3-dioxane-5,2'-[1,3]dioxane]-2,4-dione; 2,4-Dioxo-1,5-dioxaspiro[5.5]undecane; 1,5-Dioxaspiro[5.5]undecane-2,4-dione; Cyclohexanespiro-5'-(1',3'-dioxane)-2',4'-dione
EINECS	Contact for details

Quality Control

Our 1,5-Dioxa-Spiro[5.5]Undecane-2,4-Dione is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) detailing key specifications such as assay, impurity profile, and physical characteristics. Our quality commitment ensures the material meets the high standards required for research and commercial synthesis applications.

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 incompatible materials such as strong bases, strong oxidizing agents, and strong reducing agents.

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%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.0%

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