Description

Tetrakis(Dimethylsiloxy)Silane is a highly volatile organosilicon compound with the CAS number 17082-47-2, serving as a versatile chemical building block and intermediate. Its core value lies in its ability to introduce silicon-oxygen frameworks and modify surface properties in advanced materials. This product is essential for manufacturers in the silicone polymer, specialty coatings, and electronics industries seeking to enhance product performance and process efficiency.

Application

• Silicone Resin & Polymer Synthesis: A key monomer or cross-linking agent for producing heat-resistant and flexible silicone polymers.
• Surface Modification & Coupling Agent: Used to treat inorganic fillers (e.g., silica) to improve dispersion and compatibility in polymer matrices.
• Protective Coatings: Imparts water repellency, corrosion resistance, and weatherability to surfaces in specialty coating formulations.
• Electronics & Semiconductor Precursors: Serves as a precursor for silicon dioxide (SiO₂) or silicon carbide (SiC) thin films in chemical vapor deposition (CVD) processes.
• Adhesive & Sealant Formulations: Enhances adhesion and environmental stability in high-performance silicone-based adhesives and sealants.
• Lubricant & Release Agent Additive: Incorporated to improve the thermal stability and surface-slip properties of industrial lubricants and mold release agents.

Basic Information

Product Name	Tetrakis(Dimethylsiloxy)Silane
CAS No.	17082-47-2
Molecular Formula	C8H28O4Si5
Molecular Weight	328.78 g/mol
Synonyms	Silane, tetrakis(dimethylsiloxy)-; Tetrakis(dimethylsiloxy)silicon; Tetrakis(oxy(dimethylsilyl))silane; 2,2,4,4-Tetramethyl-2,4-disila-1-oxa-3,5-disilacyclohexane; Silicon tetrakis(dimethylsilanolate); OSS(O[Si](C)C)O[Si](C)C.O[Si](C)C.O[Si](C)C
EINECS	241-155-5

Quality Control

Our Tetrakis(Dimethylsiloxy)Silane is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including gas chromatography (GC) and nuclear magnetic resonance (NMR), to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and open flame. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and maintain product integrity. Recommended storage temperature is 2-25°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	0.85 - 0.90 g/cm³
Refractive Index (n20D)	1.380 - 1.390

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