Description

Dimethyldiphenylsilane is a versatile organosilicon compound that serves as a key intermediate in advanced material synthesis. Its value lies in its bifunctional structure, featuring both phenyl and methyl groups attached to silicon, which allows for precise tuning of material properties. This chemical is essential for manufacturers in the silicone polymer, pharmaceutical, and specialty chemical industries seeking to develop products with specific thermal stability, hydrophobicity, or reactivity profiles.

Application

• Silicone Polymer Intermediate: A crucial building block for synthesizing specialty phenyl-methyl silicone oils, resins, and elastomers with enhanced thermal and oxidative stability.
• Pharmaceutical Synthesis: Used as a protecting group or as a precursor in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Surface Modification Agent: Imparts hydrophobic properties to surfaces in coatings, adhesives, and release agents.
• Crosslinking Agent: Functions in the production of heat-curable silicone rubbers and high-performance sealants.
• Organic Synthesis Reagent: Employed in hydrosilylation reactions and as a source of diphenylsilyl groups in complex molecule construction.
• Research & Development: Serves as a valuable reagent in material science R&D for creating novel silicon-based compounds.

Basic Information

Product Name	Dimethyldiphenylsilane
CAS No.	778-24-5
Molecular Formula	C14H16Si
Molecular Weight	212.36 g/mol
Synonyms	Diphenyldimethylsilane; Dimethyl(diphenyl)silane; Diphenylmethylsilane; Diphenyldimethylsilicon; (Dimethylsilyl)dibenzene; Silane, dimethyldiphenyl-; NSC 66469; DMDPS
EINECS	212-302-8

Quality Control

Our Dimethyldiphenylsilane is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistent performance. We provide detailed Certificates of Analysis (COA) with each shipment, documenting key parameters such as assay, identity, and impurity profiles. Our quality commitment supports compliance with relevant industry standards for intermediate and reagent-grade chemicals.

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); containers must be kept tightly sealed to exclude moisture. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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