Description

Benzene,1,1',1''-[(Chloromethyl)Silylidyne]Tris- is a specialized organosilicon compound featuring a central silicon atom bonded to three benzene rings and a chloromethyl group, making it a valuable silane coupling agent and chemical building block. This compound matters for its ability to act as a versatile linker, facilitating strong adhesion between organic polymers and inorganic surfaces like glass, metals, and minerals. It is primarily needed by manufacturers in the advanced materials, electronics, and coatings industries for developing high-performance composites, adhesives, and surface treatments.

Application

• Silane Coupling Agent: Used to modify surface properties of inorganic fillers (e.g., silica, glass fibers) to improve compatibility and dispersion in polymer matrices for composites.
• Adhesive & Sealant Formulations: Enhances bond strength and durability in high-performance epoxy, polyurethane, and silicone-based adhesives and sealants.
• Surface Coating & Treatment: Applied as a primer or treatment agent on glass, metal, and ceramic surfaces to promote adhesion of subsequent coatings or paints.
• Electronics & Semiconductor Manufacturing: Serves as a precursor for dielectric films, passivation layers, or as an adhesion promoter in microelectronic device fabrication.
• Resin & Polymer Modification: Incorporated into specialty polymers to introduce reactive chloromethyl or silyl functional groups for further chemical synthesis.
• Research & Chemical Synthesis: Utilized as a key intermediate in organic and organometallic chemistry for constructing complex molecular architectures.

Basic Information

Product Name	Benzene,1,1',1''-[(Chloromethyl)Silylidyne]Tris-
CAS No.	17067-65-1
Molecular Formula	C19H19ClSi
Molecular Weight	310.89 g/mol
Synonyms	Tris(phenyl)(chloromethyl)silane; (Chloromethyl)triphenylsilane; Chloromethyltriphenylsilane; Triphenyl(chloromethyl)silane; Silane, chloromethyltriphenyl-; Benzene, 1,1',1''-[(chloromethyl)silylidyne]tris-; NSC 163081; LS-176666
EINECS	241-143-4

Quality Control

Our Benzene,1,1',1''-[(Chloromethyl)Silylidyne]Tris- is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including assay by GC or HPLC and impurity profiling, to ensure it meets precise specifications for industrial and research applications. A Certificate of Analysis (COA) detailing purity, identity, and physical properties is provided with every shipment to guarantee consistent quality and traceability.

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 bases and incompatible materials such as oxidizing agents. The container must be kept tightly sealed due to moisture sensitivity and to prevent contamination.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Chlorine Content	10.5 - 11.5 %
Density (at 20°C)	1.10 - 1.15 g/mL
Refractive Index (n20D)	1.590 - 1.600

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