Description

1-Oxaspiro[5.5]Undecane,2-Ethoxy-5-Methylene-(9Ci) is a specialized spirocyclic ether compound that serves as a valuable synthetic intermediate and building block in advanced organic chemistry. Its unique bridged-ring structure with an ethoxy and exocyclic methylene group makes it a versatile precursor for constructing complex molecular architectures. This high-purity intermediate is primarily sought by research institutions and chemical manufacturers in the pharmaceutical, agrochemical, and fragrance industries for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly those requiring complex spirocyclic or bridged-ring scaffolds.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides where its unique structure can impart specific biological activity.
• Fragrance & Flavor Chemistry: Serves as a precursor for synthesizing novel odorants and flavor compounds with complex, long-lasting olfactory profiles.
• Material Science: Intermediate in the production of specialized polymers, resins, or liquid crystals that benefit from rigid, spirocyclic components.
• Academic & R&D: A valuable tool for methodological studies in organic synthesis, including ring-forming reactions and functional group transformations.
• Fine Chemical Synthesis: Employed in custom synthesis and contract manufacturing for producing high-value, low-volume specialty chemicals.

Basic Information

Product Name	1-Oxaspiro[5.5]Undecane,2-Ethoxy-5-Methylene-(9Ci)
CAS No.	226940-89-2
Molecular Formula	C12H20O2
Molecular Weight	196.29 g/mol
Synonyms	2-Ethoxy-5-methylene-1-oxaspiro[5.5]undecane; 1-Oxaspiro[5.5]undecane, 2-ethoxy-5-methylene-; 226940-89-2; 2-Ethoxy-5-methylidene-1-oxaspiro[5.5]undecane; Spirocyclic ether intermediate
EINECS	Contact for details

Quality Control

Our 1-Oxaspiro[5.5]Undecane,2-Ethoxy-5-Methylene-(9Ci) is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatography and spectroscopy, to confirm identity and purity. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We support cGMP compliance for pharmaceutical applications and can tailor purity grades to meet specific research or production requirements.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0% (Standard Grade)
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.