Description

4,10-Dioxadispiro[2.1.4.2]Undecane (9Ci) is a specialized spirocyclic organic compound with the CAS number 90438-56-5, valued for its unique three-dimensional molecular architecture. This structure makes it a versatile and high-value chemical intermediate for advanced synthesis, particularly in the development of complex molecules. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical and advanced materials sectors for creating novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel drug candidates, especially those requiring complex, rigid spirocyclic frameworks.
• Advanced Material Synthesis: Used in the research and development of specialty polymers, resins, and organic electronic materials with unique properties.
• Agrochemical Research: Acts as a precursor in the development of new-generation pesticides and herbicides with enhanced efficacy and environmental profiles.
• Ligand and Catalyst Development: Employed in the design of sophisticated chiral ligands and organocatalysts for asymmetric synthesis.
• Fragrance and Flavor Chemistry: Potential use in creating novel synthetic aroma chemicals with complex olfactory characteristics.
• Academic and Industrial R&D: A valuable reagent for methodological studies in organic chemistry and the exploration of new chemical spaces.

Basic Information

Product Name	4,10-Dioxadispiro[2.1.4.2]Undecane (9Ci)
CAS No.	90438-56-5
Molecular Formula	C9H12O2
Molecular Weight	152.19 g/mol
Synonyms	4,10-Dioxadispiro[2.1.4.2]undecane; 1,4-Dioxaspiro[4.4]nonane, 6,7,8,9-tetrahydro-; 6,7,8,9-Tetrahydro-1,4-dioxaspiro[4.4]nonane; Dispiro[2.1.4.2]undecane-4,10-dione, 9CI index name; 90438-56-5; 4,10-Dioxadispiro[2.1.4.2]undecane
EINECS	Contact for details

Quality Control

Our 4,10-Dioxadispiro[2.1.4.2]Undecane (9Ci) 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 process chemistry. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. 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.