Description

Tetrakis(Cyclononyloxy)Silane is a specialized organosilicon compound that serves as a versatile chemical intermediate and functional additive. Its unique molecular structure, featuring four bulky cyclononyloxy groups attached to a central silicon atom, provides exceptional properties for modifying material surfaces and enhancing performance. This product is particularly valuable for industries requiring advanced material science solutions, such as specialty polymers, coatings, and adhesives. Its role is critical in applications demanding precise control over hydrophobicity, adhesion, and cross-linking behavior.

Application

• As a key cross-linking agent or coupling agent in the synthesis of high-performance silicone resins and elastomers.
• As a surface modification agent for inorganic fillers (e.g., silica, glass) to improve dispersion and compatibility in polymer matrices.
• As a functional intermediate in the production of specialty coatings to enhance water repellency, corrosion resistance, and adhesion to substrates.
• In the formulation of advanced sealants and adhesives to optimize curing profiles and final mechanical properties.
• For research and development in material science, exploring novel organosilicon architectures and their applications.
• Potential use as a precursor in the sol-gel process for creating hybrid organic-inorganic materials with tailored porosity and functionality.

Basic Information

Product Name	Tetrakis(Cyclononyloxy)Silane
CAS No.	67939-80-4
Molecular Formula	C36H68O4Si
Molecular Weight	593.0 g/mol
Synonyms	Silane, tetrakis(cyclononyloxy)-; Tetrakis(cyclononyloxy)silane; Cyclononanol, silicon(4+) salt; Silicon tetracyclononyl ether; Cyclononyloxysilane (tetramer); Tetracyclononyl orthosilicate
EINECS	Contact for details

Quality Control

Our Tetrakis(Cyclononyloxy)Silane is manufactured under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatographic and spectroscopic methods, to verify identity, potency, and impurity profiles. We are committed to supplying material that meets the exacting standards of industrial and research applications. Certificates of Analysis (COA) documenting all critical quality attributes are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent degradation from atmospheric moisture. Keep away from incompatible materials such as strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC or HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	0.95 - 1.05
Refractive Index (20°C)	1.470 - 1.490

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