Description

Diacetoxydipropoxysilane is a versatile organosilicon compound that serves as a key intermediate and functional additive in advanced material synthesis. Its bifunctional structure, featuring both acetoxy and propoxy groups, enables it to act as a crosslinking agent, surface modifier, and adhesion promoter. This chemical is essential for manufacturers in the silicone polymers, coatings, and electronics industries seeking to enhance product performance and durability.

Application

• Silicone Resin & Polymer Crosslinking: Acts as a curing agent and crosslinker in the production of heat-resistant silicone resins, elastomers, and sealants.
• Surface Treatment & Coupling Agent: Improves adhesion between organic polymers and inorganic substrates like glass, metals, and minerals in composite materials.
• Water Repellent Coatings: Used as a precursor in formulating hydrophobic coatings for construction materials, textiles, and electronic components.
• Electronic Encapsulants: Serves as a key ingredient in silicone gels and potting compounds that protect sensitive electronic assemblies.
• Release Coatings: Employed in the manufacture of silicone-based release liners for pressure-sensitive adhesives and industrial molding.
• Filler Treatment: Modifies the surface of silica and other mineral fillers to improve dispersion and compatibility in rubber and plastic compounds.

Basic Information

Product Name	Diacetoxydipropoxysilane
CAS No.	17906-69-3
Molecular Formula	C10H22O6Si
Molecular Weight	266.37 g/mol
Synonyms	Dipropoxydiacetoxysilane; Silane, diacetoxydipropoxy-; Diacetoxy(dipropoxy)silane; Acetic acid, dipropoxysilylene ester; Dipropoxysilanediol diacetate; (Dipropoxysilylene) diacetate; DPDAS
EINECS	Contact for details

Quality Control

Our Diacetoxydipropoxysilane is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including assay by GC or titration and impurity profiling, to ensure it meets precise specifications for industrial applications. Certificates of Analysis (COA) documenting purity, identity, and key physical properties are provided with every shipment and are available upon request.

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, containers must be kept tightly sealed after opening to minimize exposure to moisture and prevent 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 (n20/D)	~1.405
Acidity (as Acetic Acid)	≤ 0.5%

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