Description

Spiro[4.4]Nonan-2-One CAS NO 34177-18-9 is a specialized spirocyclic ketone, a versatile organic building block prized for its unique three-dimensional structure. This compound is critical for synthesizing complex molecules where a rigid, non-planar framework is required to influence biological activity or material properties. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials industries for creating novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, due to its ability to impart conformational rigidity.
• Agrochemical Synthesis: Used in the development of new-generation pesticides and herbicides, where its spiro structure can enhance stability and target specificity.
• Ligand and Catalyst Development: Acts as a scaffold for constructing sophisticated chiral ligands and organocatalysts used in asymmetric synthesis.
• Material Science Research: Employed in the creation of monomers for high-performance polymers, liquid crystals, and organic electronic materials.
• Fragrance and Flavor Chemistry: Utilized as an intermediate for synthesizing musky or amber-type odorants with complex olfactory profiles.
• Academic and R&D: A valuable tool for methodological studies in organic synthesis, including ring expansion and cyclization reactions.

Basic Information

Product Name	Spiro[4.4]Nonan-2-One
CAS No.	34177-18-9
Molecular Formula	C9H14O
Molecular Weight	138.21 g/mol
Synonyms	Spiro[4.4]nonan-2-one; 2-Spiro[4.4]nonanone; Bicyclo[4.4.0]decan-2-one; 1-Oxaspiro[4.4]nonane; Spiro-4,4-nonan-2-one
EINECS	Contact for details

Quality Control

Our Spiro[4.4]Nonan-2-One is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopic methods (NMR, IR), to ensure high chemical purity and identity. Certificates of Analysis (COA) documenting purity, assay, and impurity profiles are available for 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, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.