Description

Acetoxytri-tert-Butoxysilane is a specialized organosilicon compound, CAS NO 17947-85-2, valued for its role as a versatile coupling agent and precursor in advanced material synthesis. Its molecular structure, featuring both acetoxy and tert-butoxysilane groups, enables effective surface modification and cross-linking in polymer systems. This chemical is essential for manufacturers in the silicone resin, adhesive, and specialty coatings industries seeking to enhance material compatibility and performance.

Application

• As a key cross-linking agent and adhesion promoter in high-performance silicone resins and sealants.
• As a surface modifying agent for inorganic fillers (e.g., silica, glass) to improve dispersion and bonding in polymer composites.
• As a precursor in the sol-gel process for manufacturing hybrid organic-inorganic materials and thin films.
• In the formulation of release coatings and protective layers where controlled reactivity is required.
• As an intermediate for synthesizing more complex functional silanes for specific industrial applications.
• For research and development in advanced material science, particularly in nanotechnology and polymer engineering.

Basic Information

Product Name	Acetoxytri-tert-Butoxysilane
CAS No.	17947-85-2
Molecular Formula	C14H30O5Si
Molecular Weight	306.48 g/mol
Synonyms	Acetoxy(tri-tert-butoxy)silane; Tri-tert-butoxy(acetoxy)silane; Silane, acetoxytris(1,1-dimethylethoxy)-; Acetoxytris(tert-butoxy)silane; (Acetoxy)tris(tert-butoxy)silane; Tris(tert-butoxy)acetoxysilane; tert-Butoxysilane acetoxy derivative; ATBS
EINECS	Contact for details

Quality Control

Our production of Acetoxytri-tert-Butoxysilane adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques such as GC, NMR, and FTIR to confirm identity and composition. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to support your quality assurance processes.

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 and highly volatile nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent moisture absorption and decomposition. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	~0.95 g/mL
Refractive Index (n20D)	~1.405

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