Description

Diethyldiphenylsilane is a versatile organosilicon compound characterized by its two ethyl and two phenyl groups bonded to a central silicon atom. This structure makes it a valuable intermediate and building block in advanced material synthesis, offering a balance of reactivity and stability. It is primarily utilized by manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for applications requiring precise silicon-carbon frameworks.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the production of active pharmaceutical ingredients (APIs) and silicon-containing drug candidates.
• Agrochemical Synthesis: Used in the manufacture of silicon-based pesticides, herbicides, and plant growth regulators.
• Polymer & Material Science: Acts as a monomer or cross-linking agent in the synthesis of specialty silicones, resins, and high-performance polymers.
• Surface Modification: Employed in the creation of hydrophobic coatings and surface treatments for glass, metals, and ceramics.
• Organic Synthesis Reagent: Functions as a silylating agent or protecting group in complex organic transformations and fine chemical production.
• Electronics & Semiconductor Precursor: Investigated for use in chemical vapor deposition (CVD) processes to deposit silicon-containing thin films.

Basic Information

Product Name	Diethyldiphenylsilane
CAS No.	17964-10-2
Molecular Formula	C16H20Si
Molecular Weight	240.42 g/mol
Synonyms	Diphenyldiethylsilane; Diethyl(diphenyl)silane; Silane, diethyldiphenyl-; NSC 163992; 1,1-Diethyl-1-sila-2,5-cyclopentadiene? (incorrect but sometimes listed); Diphenyl-diethyl-silane; Diethyl diphenyl silane
EINECS	Contact for details

Quality Control

Our Diethyldiphenylsilane is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing including GC, NMR, and Karl Fischer titration to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request, supporting compliance with cGMP and ISO 9001 standards where applicable.

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 strong oxidizing agents. The container should be kept tightly sealed to minimize moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.1%
Refractive Index (n20D)	1.550 - 1.560
Density (20°C)	0.98 - 1.02 g/mL

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