Description

Allyltriacetoxysilane is a versatile organosilicon compound, specifically a triacetoxy-functional silane coupling agent. Its primary value lies in its ability to act as a crosslinking agent and adhesion promoter, forming durable bonds between organic polymers and inorganic substrates. This makes it an essential material for manufacturers in the adhesives, sealants, coatings, and composite materials industries seeking to enhance product performance and durability.

Application

• Crosslinking Agent for Silicone Polymers: Used to induce moisture-cure crosslinking in room-temperature vulcanizing (RTV) silicone sealants and adhesives, improving their mechanical properties and weather resistance.
• Adhesion Promoter: Enhances the bond strength between organic resins (like epoxies, acrylics) and inorganic surfaces such as glass, metals, and minerals in coatings and composite systems.
• Surface Modification: Imparts hydrophobic and oleophobic properties to mineral fillers (e.g., silica, glass fibers) to improve their compatibility and dispersion in polymer matrices.
• Intermediate for Specialty Chemicals: Serves as a key synthetic building block for further chemical modifications, leading to other functional silanes and silicone derivatives.
• Moisture Scavenger: Utilized in formulations where the removal of trace moisture is critical to prevent side reactions or bubbles, particularly in polyurethane and silicone systems.
• Fiberglass Treatment: Applied as a sizing or finishing agent on glass fibers to improve interfacial adhesion and moisture resistance in fiber-reinforced plastics (FRP).

Basic Information

Product Name	Allyltriacetoxysilane
CAS No.	5929-71-5
Molecular Formula	C9H14O6Si
Molecular Weight	246.29 g/mol
Synonyms	Allylsilanetriol Triacetate; Triacetoxy(allyl)silane; Allyltriacetoxysilane; (Allyloxy)triacetoxysilane; Silane, triacetoxyallyl-; 3-(Triacetoxysilyl)-1-propene; Allyl Silicate Triacetate; ATS
EINECS	227-678-6

Quality Control

Our Allyltriacetoxysilane is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes rigorous analytical testing, including Gas Chromatography (GC) for assay and impurity profiling. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and specific test results 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). This product is hygroscopic (moisture-sensitive) and should be kept under a dry inert atmosphere (e.g., nitrogen) after opening to prevent hydrolysis and maintain product integrity.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (20°C)	1.15 - 1.18 g/cm³
Refractive Index (n20/D)	1.420 - 1.425
Acetic Acid Content	≤ 1.0%

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