Description

Diacetoxydiethylsilane is a versatile organosilicon compound that serves as a key intermediate in advanced material synthesis. Its bifunctional nature, featuring both hydrolyzable acetoxy groups and stable ethyl groups, makes it valuable for introducing diethylsiloxane units into polymers and surfaces. This chemical is primarily utilized by manufacturers in the silicone, coatings, and electronics industries for applications requiring controlled cross-linking and surface modification.

Application

• Silicone Resin & Polymer Modification: Acts as a cross-linking agent or co-monomer for synthesizing specialty silicone resins with tailored properties.
• Surface Treatment & Coupling Agent: Used to modify inorganic surfaces (glass, silica, metals) to improve adhesion, hydrophobicity, or compatibility with organic matrices.
• Protective Coatings: A precursor for formulating moisture-curing, corrosion-resistant, or release coatings.
• Electronics & Semiconductor Precursor: Employed in the deposition of silicon-containing thin films or as a passivation agent in microelectronics.
• Adhesive & Sealant Formulations: Imparts specific curing characteristics and enhances the performance of silicone-based adhesives and sealants.
• Research & Chemical Synthesis: Serves as a versatile building block in organic and organometallic chemistry for creating novel silicon-based molecules.

Basic Information

Product Name	Diacetoxydiethylsilane
CAS No.	18269-81-3
Molecular Formula	C8H16O4Si
Molecular Weight	204.30 g/mol
Synonyms	Diethylsilanediol diacetate; Diethyl diacetoxysilane; Diacetoxydiethylsilicon; Diethylsilane diacetate; Diethylsilanediyldiacetate; Acetic acid diethylsilanediyl ester; Diethylbis(acetoxy)silane; Diethylsilicon diacetate
EINECS	Contact for details

Quality Control

Our Diacetoxydiethylsilane is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing to ensure high purity and consistent performance. We provide traceable Certificates of Analysis (COA) with key parameters including assay, identity confirmation, and impurity profiles. Our quality system supports compliance with relevant industry standards for intermediate chemicals.

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 dry conditions to prevent moisture absorption and evaporation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	~1.05 g/cm³
Refractive Index (n20D)	~1.410 - 1.415

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