Description

6-Methylene-1,4-Dioxaspiro[4.4]Nonane is a specialized spirocyclic acetal compound, serving as a versatile and valuable building block in advanced organic synthesis. Its unique bridged structure makes it a critical precursor for constructing complex molecular frameworks, particularly in pharmaceutical and fine chemical research. This high-purity intermediate is essential for chemists and R&D teams developing novel active pharmaceutical ingredients (APIs), agrochemicals, and performance materials.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of complex, biologically active molecules and novel drug candidates.
• Agrochemical Synthesis: Used in the development of advanced pesticides, herbicides, and plant growth regulators requiring specific spirocyclic motifs.
• Fine Chemical Production: Employed as a building block for fragrances, flavors, and other high-value specialty chemicals.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of novel polymers with specific thermal or mechanical properties.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic chemistry, including cyclization and ring-opening reactions.

Basic Information

Product Name	6-Methylene-1,4-Dioxaspiro[4.4]Nonane
CAS No.	23153-75-5
Molecular Formula	C8H12O2
Molecular Weight	140.18 g/mol
Synonyms	6-Methylenebicyclo[3.2.1]octane-2,3-acetal; 6-Methylene-1,4-dioxaspiro[4.4]nonane; 2,3-(Isopropylidenedioxy)bicyclo[3.2.1]oct-6-ene; Spiro[1,3-dioxolane-2,2'-bicyclo[3.2.1]octane], 6-methylene-; 6-Methylenebicyclo[3.2.1]octane-2,3-diol cyclic acetal
EINECS	Contact for details

Quality Control

Our 6-Methylene-1,4-Dioxaspiro[4.4]Nonane is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for sensitive synthetic applications. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing purity, identity, and impurity profiles. Our quality management system is designed to meet the rigorous standards required for GMP-aligned production of advanced intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 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.