Description

2,2,4,7,10-Pentamethyl-1,3,6,9-Tetraoxa-2-Silacycloundecane CAS NO 84332-76-3 is a specialized organosilicon compound, specifically a cyclic siloxane ether, valued for its unique chemical structure and properties. This compound is significant as a high-purity chemical intermediate and functional additive, offering controlled reactivity and stability in demanding formulations. It is primarily needed by manufacturers in the pharmaceutical, agrochemical, and advanced material science sectors for applications requiring precise molecular architecture.

Application

• Pharmaceutical Intermediate: Used in the synthesis of complex drug molecules, particularly where silicon incorporation or specific protecting group chemistry is required.
• Agrochemical Synthesis: Serves as a key building block for creating novel active ingredients with enhanced stability or bioavailability.
• Polymer & Material Science: Acts as a cross-linking agent or monomer precursor for specialty silicones and hybrid organic-inorganic polymers.
• Surface Modification Agent: Employed to functionalize surfaces (e.g., silica, metals) to impart specific hydrophobic or release properties.
• Adhesive & Sealant Formulations: Functions as a reactive diluent or modifier to improve the performance characteristics of silicone-based systems.
• Electronics Industry: Potential use in precursor materials for spin-on dielectrics or other microelectronic applications.

Basic Information

Item	Details
Product Name	2,2,4,7,10-Pentamethyl-1,3,6,9-Tetraoxa-2-Silacycloundecane
CAS No.	84332-76-3
Molecular Formula	C12H26O4Si
Molecular Weight	262.42 g/mol
Synonyms	1,3,6,9-Tetraoxa-2-silacycloundecane, 2,2,4,7,10-pentamethyl-; Pentamethyl tetraoxa silacycloundecane; Cyclic siloxane ether; 2,2,4,7,10-Pentamethyl-1,3,6,9-tetraoxa-2-silacycloundecane; 2,2,4,7,10-Pentamethyl-1,3,6,9-tetraoxa-2-silacycloundec-ane; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 2,2,4,7,10-Pentamethyl-1,3,6,9-Tetraoxa-2-Silacycloundecane is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, assay, and impurity profiles are available upon request.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from 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.