Description

7-Methylene-2-Oxaspiro[3.5]Nonane is a specialized spirocyclic oxirane compound, serving as a high-value synthetic intermediate in advanced organic chemistry. Its unique bridged bicyclic structure with an exocyclic methylene group makes it a versatile building block for constructing complex molecular architectures. This compound is primarily utilized by research and development chemists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly for spirocyclic and bridged ring systems.
• Agrochemical Synthesis: Building block for developing new pesticides and herbicides with unique modes of action.
• Material Science Research: Monomer or cross-linking agent in the development of specialty polymers and resins.
• Organic Synthesis Reagent: Used in ring-opening reactions, cycloadditions, and other transformations to introduce complex functionality.
• Fragrance & Flavor Chemistry: Intermediate for creating novel odorants and flavor molecules with specific structural motifs.
• Academic & Industrial R&D: Valuable tool for methodological studies and exploring new chemical space in process chemistry.

Basic Information

Product Name	7-Methylene-2-Oxaspiro[3.5]Nonane
CAS No.	1256546-75-4
Molecular Formula	C9H14O
Molecular Weight	138.21 g/mol
Synonyms	7-Methylene-2-oxaspiro[3.5]nonane; 2-Oxaspiro[3.5]nonane, 7-methylene-; Spiro[3.5]nonane, 7-methylene-2-oxa-; 7-Methylenespiro[3.5]nonane-2-one (tautomeric form); Oxaspiro[3.5]nonane, 7-methylene-2-; 7-Methyleneoxaspiro[3.5]nonane; 7-Methylidene-2-oxaspiro[3.5]nonane; CAS 1256546-75-4
EINECS	Contact for details

Quality Control

Our 7-Methylene-2-Oxaspiro[3.5]Nonane is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide full traceability and detailed Certificates of Analysis (COA) with every shipment, confirming compliance with customer specifications and industry best practices.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at controlled room temperature (15-25°C) in a cool, dry, well-ventilated area. Keep away from heat, sparks, and open flame. Due to its sensitivity, minimize exposure to air and moisture during handling.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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