Description

Phenyltris(Dimethylsiloxy)Silane is a versatile organosilicon compound, specifically a silane coupling agent and a key intermediate in silicone chemistry. Its value lies in its ability to modify surfaces and polymers, enhancing adhesion, compatibility, and performance in demanding environments. This product is essential for manufacturers in the silicone elastomer, resin, and specialty coatings industries seeking to improve material properties and processing.

Application

• As a crosslinking agent and chain extender in the synthesis of silicone resins and high-performance elastomers.
• As a surface modification agent for inorganic fillers (e.g., silica, glass) to improve dispersion and bonding in polymer composites.
• As a key intermediate for manufacturing specialty silicone fluids and release coatings with tailored properties.
• In the formulation of adhesives and sealants to enhance weather resistance, thermal stability, and adhesion to various substrates.
• For the development of hydrophobic coatings on glass, metals, and ceramics.
• As a reactive modifier in epoxy and other thermoset systems to introduce silicone characteristics like flexibility and reduced moisture absorption.

Basic Information

Product Name	Phenyltris(Dimethylsiloxy)Silane
CAS No.	18027-45-7
Molecular Formula	C12H26O3Si4
Molecular Weight	330.68 g/mol
Synonyms	Phenyltris(dimethylsiloxy)silane; Tris(dimethylsiloxy)phenylsilane; Phenylsilane tris(dimethylsiloxy); Silane, phenyltris(dimethylsiloxy)-; Phenyltris(oxy(dimethylsilylene))silane; Phenyltris(dimethylsilyloxy)silane; (Dimethylsiloxy)phenylsilane
EINECS	241-957-7

Quality Control

Our production of Phenyltris(Dimethylsiloxy)Silane adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing specific batch results are provided to guarantee traceability and compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong acids, bases, and oxidizing agents. The container should be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Refractive Index (n20D)	1.430 - 1.440
Density (20°C)	0.95 - 1.00 g/cm³

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