Description

Tetrakis(3-Methylphenyl) Orthosilicate is a specialized organosilicon compound that serves as a versatile chemical intermediate and precursor. Its value lies in its ability to introduce silicon and specific aryl groups into advanced materials, enabling precise control over material properties. This product is essential for manufacturers and R&D teams in the electronics, specialty polymers, and advanced coatings sectors seeking to develop high-performance materials.

Application

• Advanced Polymer Synthesis: Acts as a monomer or cross-linking agent for high-temperature and high-performance resins, including silicones and polyimides.
• Electronic Materials: Used as a precursor for spin-on-glass (SOG) dielectrics, insulating layers, and passivation coatings in semiconductor manufacturing.
• Specialty Coatings: Imparts enhanced thermal stability, chemical resistance, and adhesion properties in protective and functional coatings.
• Adhesives and Sealants: Functions as a coupling agent or additive to improve the durability and bonding performance of high-end formulations.
• Catalyst and Ligand Support: Serves as a scaffold or support material in heterogeneous catalysis and organometallic chemistry.
• Research & Development: A key building block for synthesizing novel silicon-based compounds and exploring new material science applications.

Basic Information

Product Name	Tetrakis(3-Methylphenyl) Orthosilicate
CAS No.	16714-54-8
Molecular Formula	C28H28O4Si
Molecular Weight	456.61 g/mol
Synonyms	Tris(3-Methylphenyl) Orthosilicate; Tetrakis(m-Tolyl) Orthosilicate; Tetrakis(3-Methylphenyl) Silicate; Silicic Acid, Tetrakis(3-Methylphenyl) Ester; m-Tolyl Orthosilicate; Tetrakis(3-Tolyl) Orthosilicate; Silicon Tetrakis(3-methylphenoxide)
EINECS	240-783-5

Quality Control

Our Tetrakis(3-Methylphenyl) Orthosilicate is manufactured under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including assay by GC/HPLC, identity confirmation (IR, NMR), and impurity profiling, to ensure it meets precise customer specifications and industry standards. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

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). Keep away from strong acids, bases, and oxidizing agents. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Density (20°C)	~1.10 g/cm³
Refractive Index (20°C)	~1.560

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