Description

1-Methylenespiro[4.4]Nonane is a specialized spirocyclic hydrocarbon building block of significant interest in advanced organic synthesis. Its unique bridged, strained-ring structure makes it a valuable precursor for constructing complex molecular architectures. This compound is primarily utilized by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key synthon for the synthesis of novel spirocyclic drug candidates, potentially targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Research: Used in the development of new pesticides and herbicides with unique modes of action derived from its constrained spiro framework.
• Material Science: Acts as a monomer or cross-linking agent in the production of specialty polymers with tailored thermal and mechanical properties.
• Organic Synthesis Building Block: Employed in Diels-Alder reactions, ring-opening metathesis polymerizations (ROMP), and other cycloaddition reactions to create complex polycyclic systems.
• Fragrance & Flavor Chemistry: Potential use as a starting material for synthesizing novel musk or woody odorants with unique olfactory characteristics.
• Ligand & Catalyst Development: Its rigid structure can be functionalized to create novel chiral ligands for asymmetric catalysis.

Basic Information

Product Name	1-Methylenespiro[4.4]Nonane
CAS No.	19144-06-0
Molecular Formula	C10H16
Molecular Weight	136.24 g/mol
Synonyms	Spiro[4.4]non-1-ene; 1-Methylenespiro[4.4]nonane; 1-Methylidene-spiro[4.4]nonane; Spiro[4.4]non-1-ene; 1-Methylenespiro(4.4)nonane; Bicyclo[3.3.1]non-6-ene, 9-methylene-; 9-Methylenebicyclo[3.3.1]non-6-ene
EINECS	Contact for details

Quality Control

Every batch of 1-Methylenespiro[4.4]Nonane is produced and analyzed under strict quality management protocols. We provide comprehensive analytical data to ensure the material meets the precise requirements of research and process development. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is supplied with each shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents and heat sources. 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)	≥ 95.0% (Research Grade)
Purity (HPLC)	≥ 97.0% (Premium Grade)
Water Content (KF)	≤ 0.5%

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