Description

1-Oxaspiro[5.5]undecane, 4-methylene is a specialized spirocyclic ether compound featuring a unique bridged oxygen-containing structure. This molecular architecture makes it a valuable intermediate and building block in advanced organic synthesis, particularly for creating complex frameworks. It is primarily sought after by research and development teams in the pharmaceutical and fine chemical industries for applications in fragrance chemistry, material science, and the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the research and development of novel drug candidates, particularly those requiring complex spirocyclic or bridged ether motifs.
• Fragrance and Flavor Ingredient: Used in the synthesis of high-value aroma chemicals, contributing unique olfactory properties to premium perfumes and flavors.
• Fine Chemical Synthesis: Acts as a versatile building block for creating specialized ligands, catalysts, and other functional molecules in advanced organic chemistry.
• Material Science Research: Investigated as a monomer or precursor for developing polymers with specific thermal or mechanical properties due to its rigid spiro structure.
• Agrochemical Intermediate: Potential use in the synthesis of novel, high-performance active ingredients for crop protection products.

Basic Information

Product Name	1-Oxaspiro[5.5]undecane, 4-methylene
CAS No.	57094-40-3
Molecular Formula	C11H18O
Molecular Weight	166.26 g/mol
Synonyms	4-Methylene-1-oxaspiro[5.5]undecane; 1-Oxaspiro[5.5]undec-4-ene; Spiro[5.5]undec-4-en-1-one (related); 4-Methylenespiro[5.5]undecan-1-ol (tautomer); Oxaspiro C11; Bridged cyclic ether C11H18O
EINECS	Contact for details

Quality Control

Our production of 1-Oxaspiro[5.5]undecane, 4-methylene adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for research and industrial use. All materials are characterized using advanced analytical techniques including GC, GC-MS, and NMR. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory 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 oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0% (Typical 97-99%)
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.