Description

Bis(2-Methylphenyl)Diphenylsilane CAS NO 18849-24-6 is a specialized organosilicon compound featuring a central silicon atom bonded to two 2-methylphenyl (o-tolyl) and two phenyl groups. This molecular architecture makes it a valuable intermediate and functional material in advanced chemical synthesis and material science. It is primarily sought after by R&D chemists and process engineers in the fine chemical, pharmaceutical, and advanced polymer industries for applications requiring specific steric and electronic properties.

Application

• Advanced Polymer Synthesis: Acts as a monomer or chain-transfer agent in the production of specialized silicones and siloxane-based polymers with tailored thermal and mechanical properties.
• Pharmaceutical Intermediates: Serves as a key building block in the synthesis of complex organic molecules and active pharmaceutical ingredients (APIs) where the silane group is utilized for further functionalization.
• Liquid Crystal & OLED Materials: Used in the development of organic light-emitting diode (OLED) and liquid crystal display (LCD) components due to its potential electronic characteristics and stability.
• Catalyst & Ligand Precursor: Functions as a precursor for ligands in transition metal catalysis, particularly in cross-coupling and hydrosilylation reactions important for fine chemical manufacturing.
• Surface Modification & Adhesion Promotion: Employed in surface treatment formulations to modify the characteristics of inorganic materials like glass or metals, improving adhesion for coatings and composites.
• Research & Development: A crucial reagent in academic and industrial R&D labs for exploring new synthetic methodologies and material properties in organosilicon chemistry.

Basic Information

Product Name	Bis(2-Methylphenyl)Diphenylsilane
CAS No.	18849-24-6
Molecular Formula	C26H24Si
Molecular Weight	364.56 g/mol
Synonyms	Di-o-tolydiphenylsilane; Bis(o-tolyl)diphenylsilane; Diphenylbis(2-methylphenyl)silane; 1,1'-(Diphenylsilanediyl)bis(2-methylbenzene); Silane, diphenylbis(2-methylphenyl)-; Diphenyl-di-o-tolylsilane; (2-Methylphenyl)diphenylsilane (mixture of isomers related); o-Tolyl diphenyl silane derivative
EINECS	Contact for details

Quality Control

Our Bis(2-Methylphenyl)Diphenylsilane is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of our industrial and research partners. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

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 oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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