Description

Dichlorodiphenylsilane is a versatile and highly reactive organosilicon compound, primarily used as a key intermediate in the synthesis of advanced silicone polymers and silane coupling agents. Its value lies in its ability to introduce diphenylsilane groups into molecules, significantly modifying material properties such as thermal stability, hydrophobicity, and refractive index. This product is essential for manufacturers in the pharmaceutical, electronics, and specialty polymer industries seeking to develop high-performance materials.

Application

• Silicone Polymer Synthesis: A fundamental monomer for producing phenyl-containing silicone resins, rubbers, and fluids with enhanced heat resistance and optical clarity.
• Silane Coupling Agent Precursor: Used to manufacture advanced coupling agents that improve adhesion between organic polymers and inorganic surfaces like glass, metals, and minerals.
• Pharmaceutical Intermediates: Serves as a building block in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals requiring specific organosilicon functionalities.
• Electronics and Semiconductor Manufacturing: Employed in the production of dielectric materials, protective coatings, and as a precursor in chemical vapor deposition (CVD) processes.
• Hydrophobic Coatings: Used to create water-repellent and anti-corrosive surface treatments for construction materials, textiles, and optical components.
• Research and Development: A critical reagent in organic and organometallic chemistry research for developing new silicon-based compounds and materials.

Basic Information

Product Name	Dichlorodiphenylsilane
CAS No.	80-10-4
Molecular Formula	C12H10Cl2Si
Molecular Weight	253.20 g/mol
Synonyms	Diphenyldichlorosilane; Dichloro(diphenyl)silane; Silane, dichlorodiphenyl-; Diphenylsilyl dichloride; DPS; NSC 60530; Diphenyl silicon dichloride; Phenylsilicon dichloride
EINECS	201-251-0

Quality Control

Our Dichlorodiphenylsilane is manufactured under stringent quality management systems. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and performance. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, impurity profile, and physical properties. Our commitment to consistent quality and traceability supports your process reliability and final product integrity.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials. Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis. Recommended long-term storage temperature is between 2°C and 8°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Density (at 20°C)	1.19 - 1.22 g/mL
Refractive Index (n20D)	1.577 - 1.582
Chloride Content	27.5 - 28.5 %
Water Content (KF)	≤ 0.1%

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