Description

1,3-Dioxaspiro[4.4]Nonan-2-One, 4-Methylene- is a specialized spirocyclic acetal derivative, serving as a versatile and high-value synthetic intermediate. Its unique bicyclic structure with an exocyclic methylene group makes it a critical building block for constructing complex molecular architectures. This compound is essential for research and development chemists in the pharmaceutical, agrochemical, and advanced materials sectors seeking to introduce functional complexity into target molecules.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for spirocyclic and bridged-ring compounds.
• Agrochemical Synthesis: Used in the development of new-generation pesticides and herbicides requiring specific, stable cyclic frameworks.
• Fine Chemical Building Block: Employed in organic synthesis for constructing complex natural product analogs and specialty chemicals.
• Polymer & Material Science: Serves as a monomer or cross-linking agent for developing polymers with unique thermal and mechanical properties.
• Ligand & Catalyst Development: Utilized in the creation of novel chiral ligands and organocatalysts for asymmetric synthesis.
• Flavor & Fragrance Industry: Potential intermediate for synthesizing musk-like or other complex odorant molecules.

Basic Information

Product Name	1,3-Dioxaspiro[4.4]Nonan-2-One, 4-Methylene-
CAS No.	184007-11-2
Molecular Formula	C8H10O3
Molecular Weight	154.16 g/mol
Synonyms	4-Methylene-1,3-dioxaspiro[4.4]nonan-2-one; 4-Methylenepentane-1,3-diol cyclic carbonate; Spiro[1,3-dioxolane-2,1'-cyclohexane]-4-methylene-2-one; 2-Oxo-4-methylene-1,3-dioxaspiro[4.4]nonane; 4-Methylene-2-oxo-1,3-dioxaspiro[4.4]nonane
EINECS	Contact for details

Quality Control

Our 1,3-Dioxaspiro[4.4]Nonan-2-One, 4-Methylene- is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and IR spectroscopy, to ensure high purity and batch-to-batch consistency. Certificates of Analysis (COA) with detailed specifications are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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