Description

3,3-Dimethyl-1,3-Oxasilepan-7-One is a specialized organosilicon compound featuring a unique seven-membered ring structure. This heterocyclic siloxane is valued for its role as a key synthetic intermediate and building block in advanced material science. It is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for developing novel silicon-containing molecules.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those incorporating silicon to modulate bioavailability and metabolic stability.
• Agrochemical Synthesis: Used in the research and development of new generation pesticides and herbicides, where the siloxane structure can influence biological activity and environmental persistence.
• Specialty Polymer Monomer: Acts as a monomer or cross-linking agent for producing silicone-based polymers and hybrid organic-inorganic materials with tailored thermal and mechanical properties.
• Surface Modification Agent: Employed to functionalize silica surfaces or other inorganic materials, altering surface energy and compatibility for coatings and composite applications.
• Ligand and Catalyst Development: Utilized in organometallic chemistry and catalysis research to create novel silicon-containing ligands for transition metal complexes.
• Adhesive & Sealant Formulations: Incorporated as a modifying agent in high-performance silicone adhesive and sealant formulations to enhance specific characteristics.

Basic Information

Product Name	3,3-Dimethyl-1,3-Oxasilepan-7-One
CAS No.	13716-53-5
Molecular Formula	C7H14O2Si
Molecular Weight	158.27 g/mol
Synonyms	3,3-Dimethyl-1-oxa-3-silacycloheptan-7-one; 3,3-Dimethyloxasilepan-7-one; 1-Oxa-3-silacycloheptan-7-one, 3,3-dimethyl-; 3,3-Dimethyl-1-oxa-3-silacycloheptan-7-one; 3,3-Dimethyl-1,3-oxasilepan-7-one; Dimethylsiloxane cyclic ketone derivative; Hexamethylcyclotrisiloxane ketone analog
EINECS	Contact for details

Quality Control

Our 3,3-Dimethyl-1,3-Oxasilepan-7-One is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications and results are provided and available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong acids, bases, and oxidizing agents. The container must be kept tightly sealed in a dry environment to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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