Description

1,4-Dioxaspiro[4.6]Undeca-6,10-Diene (CAS NO 1728-30-9) is a specialized spirocyclic compound featuring a dioxolane ring fused to a cyclohexadiene system, serving as a versatile synthetic intermediate. This compound is valued for its unique bicyclic structure, which provides a rigid framework for constructing complex molecules in advanced organic synthesis. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for applications such as the synthesis of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of complex drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides.
• Fine Chemical Production: Serves as a precursor for fragrances, flavors, and advanced functional materials.
• Academic & Industrial Research: A valuable scaffold in methodological chemistry for developing new synthetic routes and catalysts.
• Material Science: Potential monomer or precursor for polymers with specific thermal or optical properties.

Basic Information

Product Name	1,4-Dioxaspiro[4.6]Undeca-6,10-Diene
CAS No.	1728-30-9
Molecular Formula	C9H12O2
Molecular Weight	152.19 g/mol
Synonyms	1,4-Dioxaspiro[4.6]undeca-6,10-diene; 6,10-Cyclohexadien-1,4-dione ethylene ketal; 1,4-Cyclohexadienedione, 1,2-ethanediyl ketal; Spiro[1,3-dioxolane-2,1'(4')-cyclohexa-2',5'-diene]; 1,4-Cyclohexadienedione ethylene ketal; 2,3-Dihydro-1,4-dioxaspiro[4.6]undeca-6,10-diene
EINECS	217-051-5

Quality Control

Our 1,4-Dioxaspiro[4.6]Undeca-6,10-Diene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and test results is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flames. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.480 - 1.490
Density (g/mL at 20°C)	1.08 - 1.12

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