Description

Ethyl 2-(1,4-Dioxaspiro[4.5]Decan-8-Ylidene)Acetate is a versatile spirocyclic building block and protected keto-ester derivative, essential for advanced organic synthesis. Its core value lies in providing a reactive handle for constructing complex molecular architectures while offering stability through its acetal-protected ketone functionality. This intermediate is critically needed by pharmaceutical, agrochemical, and fine chemical R&D teams for the development of novel active ingredients and specialty materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of complex drug candidates, particularly those requiring spirocyclic or bridged ring systems.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor for fragrances, flavors, and advanced material monomers.
• Academic & Industrial Research: A valuable reagent for methodological development in organic chemistry and catalysis studies.
• Material Science: Potential monomer or cross-linking agent for polymers with specific thermal or mechanical properties.

Basic Information

Product Name	Ethyl 2-(1,4-Dioxaspiro[4.5]Decan-8-Ylidene)Acetate
CAS No.	51656-91-8
Molecular Formula	C13H20O4
Molecular Weight	240.30 g/mol
Synonyms	Ethyl (1,4-Dioxaspiro[4.5]dec-8-ylidene)acetate; 8-Ethoxycarbonylmethylene-1,4-dioxaspiro[4.5]decane; Ethyl 2-(1,4-Dioxaspiro[4.5]decan-8-ylidene)acetate; 2-(1,4-Dioxaspiro[4.5]decan-8-ylidene)acetic acid ethyl ester; Acetic acid, 2-(1,4-dioxaspiro[4.5]dec-8-ylidene)-, ethyl ester; 8-(Ethoxycarbonylmethylene)-1,4-dioxaspiro[4.5]decane
EINECS	Contact for details

Quality Control

Our Ethyl 2-(1,4-Dioxaspiro[4.5]Decan-8-Ylidene)Acetate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory compliance needs.

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 bases and incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.