Description

1-Aza-2,5-Disilacyclopentane-1-Acetic Acid, -α-,-α-,2,2,5,5-Hexamethyl-, 2-(4-Chlorophenyl)-1,1-Dimethylethyl Ester is a specialized organosilicon compound featuring a unique cyclic disilazane structure with a chlorophenyl ester moiety. This molecular architecture makes it a valuable high-purity intermediate for advanced material synthesis, particularly in the development of novel silicon-based polymers and surface-modifying agents. It is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for constructing complex molecular frameworks.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs), especially those requiring silicon incorporation for metabolic stability or bioavailability enhancement.
• Agrochemical Synthesis: Used in the research and development of novel pesticides and herbicides, where the silacyclopentane core can contribute to unique biological activity and environmental persistence profiles.
• Specialty Polymer Precursor: Acts as a monomer or cross-linking agent for developing high-performance silicones, siloxane-based resins, and hybrid organic-inorganic materials with tailored thermal and mechanical properties.
• Surface Modification Agent: Employed to functionalize silica, glass, or metal oxide surfaces, imparting specific hydrophobic, oleophobic, or reactive characteristics for coatings and composites.
• Ligand Synthesis for Catalysis: Utilized in the preparation of novel nitrogen-silicon chelating ligands for transition metal catalysts used in asymmetric synthesis and polymerization reactions.
• Material Science Research: A critical reagent in academic and industrial R&D for exploring new silicon-nitrogen chemistry and creating materials for electronics, optics, and nanotechnology.

Basic Information

Item	Details
Product Name	1-Aza-2,5-Disilacyclopentane-1-Acetic Acid, -α-,-α-,2,2,5,5-Hexamethyl-, 2-(4-Chlorophenyl)-1,1-Dimethylethyl Ester
CAS No.	98694-44-1
Molecular Formula	C19H32ClNO2Si2
Molecular Weight	398.09 g/mol
Synonyms	2-(4-Chlorophenyl)-1,1-dimethylethyl 1-aza-2,5-disilacyclopentane-1-acetate, hexamethyl-; Hexamethyl-1-aza-2,5-disilacyclopentane-1-acetic acid 2-(4-chlorophenyl)-1,1-dimethylethyl ester; 1-Aza-2,5-disilacyclopentane-1-acetic acid, α,α,2,2,5,5-hexamethyl-, 2-(4-chlorophenyl)-1,1-dimethylethyl ester; (4-Chlorophenethyl) hexamethyl-1-aza-2,5-disilacyclopentane-1-acetate; Cyclic disilazane ester; Organosilicon amine ester.
EINECS	Contact for details

Quality Control

Our production of 1-Aza-2,5-Disilacyclopentane-1-Acetic Acid Ester adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including NMR, HPLC, and GC to confirm identity and quantify impurities. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). The product is sensitive to strong alkali and should be kept away from bases and incompatible materials. For long-term storage, consider maintaining under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Specific Rotation (if applicable)	Contact for details

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