Description

Phenyltriacetoxysilane is a versatile organosilicon compound widely used as a key intermediate and coupling agent in advanced material synthesis. Its value lies in its ability to introduce phenyl and reactive acetoxy groups, facilitating surface modification and cross-linking in polymer systems. This chemical is essential for manufacturers in the silicone rubber, adhesive, and specialty coatings industries seeking to enhance material properties like adhesion, thermal stability, and hydrophobicity.

Application

• Silicone Cross-linking Agent: A critical component in the production of room-temperature vulcanizing (RTV) silicone rubbers and sealants, where it acts as a cross-linker.
• Surface Treatment & Coupling Agent: Used to modify inorganic surfaces like glass, silica, and metals to improve adhesion with organic polymers in composite materials.
• Intermediate for Silane Modification: Serves as a precursor for synthesizing other functional phenylsilanes and siloxanes with tailored properties.
• Water Repellent Formulations: Imparts hydrophobic characteristics to construction materials, textiles, and stone protectants.
• Adhesive & Sealant Formulations: Enhances the performance and durability of high-strength adhesives, especially in demanding environments.
• Electronic Encapsulants: Employed in the formulation of protective coatings and potting compounds for electronic components.

Basic Information

Item	Detail
Product Name	Phenyltriacetoxysilane
CAS No.	18042-54-1
Molecular Formula	C12H14O6Si
Molecular Weight	282.32 g/mol
Synonyms	Phenylsilanetriol triacetate; Triacetoxyphenylsilane; Silane, phenyltriacetoxy-; Phenyltriacetoxysilane; Acetic acid phenylsilanetriyl ester; Phenylsilanetriyl triacetate; Phenyltriacetoxysilane; Phenyltriacetoxy silane
EINECS	Contact for details

Quality Control

Our Phenyltriacetoxysilane is manufactured under a stringent quality management system. Every batch undergoes comprehensive analytical testing, including assay by titration and impurity profiling, to ensure it meets precise specifications for industrial and specialty chemical applications. A Certificate of Analysis (COA) detailing purity, identity, and key physical parameters is provided with each shipment to guarantee consistency and traceability.

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 handled under dry conditions to prevent hydrolysis. Keep away from strong acids and organic solvents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (Titration)	≥ 97.0%
Density (20°C)	~1.17 g/cm³
Refractive Index (n20D)	~1.460

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