Description

Di-sec-Butoxyaluminoxytriethoxysilane is a specialized organometallic compound that functions as a highly effective coupling agent and adhesion promoter. Its hybrid molecular structure, featuring both aluminum and silicon alkoxide groups, provides unique reactivity and compatibility with a wide range of inorganic and organic materials. This product is essential for formulators and manufacturers in the advanced materials, coatings, and polymer industries seeking to enhance interfacial bonding, mechanical properties, and durability in composite systems.

Application

• As a coupling agent in mineral-filled polymer composites (e.g., glass fiber, silica, clay) to improve mechanical strength and moisture resistance.
• As an adhesion promoter in high-performance coatings, sealants, and adhesives for substrates like metals, glass, and ceramics.
• As a surface modifier for nanoparticles and inorganic fillers to improve dispersion and compatibility in organic matrices.
• As a crosslinking agent or catalyst component in silicone-based and hybrid organic-inorganic polymer systems.
• In the formulation of waterproofing agents and corrosion-resistant coatings.
• As a key intermediate in the synthesis of advanced sol-gel materials and preceramic polymers.

Basic Information

Product Name	Di-sec-Butoxyaluminoxytriethoxysilane
CAS No.	68959-06-8
Molecular Formula	C14H33AlO5Si
Molecular Weight	336.49 g/mol
Synonyms	Aluminum, di-sec-butoxy(3-triethoxysilyl)oxy-; Di-sec-butoxy(3-triethoxysilyl)oxyaluminum; (Triethoxysilyloxy)di-sec-butoxyaluminum; Aluminum sec-butoxide triethoxysilane adduct; Aluminoxytriethoxysilane derivative; Organoaluminum silane coupling agent; ASB-TEOS (abbrev.)
EINECS	Contact for details

Quality Control

Our production of Di-sec-Butoxyaluminoxytriethoxysilane adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling, to ensure consistency and performance. Certificates of Analysis (COA) documenting all key parameters are provided with every shipment 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). This material is hygroscopic (moisture-sensitive) and may decompose upon prolonged exposure to atmospheric moisture. Keep away from strong alkalis and incompatible organic solvents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (Al content)	≥ 95.0%
Purity (GC)	≥ 90.0%
Density (20°C)	~1.00 g/cm³
Refractive Index (20°C)	~1.410

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