Description

Diethylchlorosilane is a highly reactive organosilicon compound primarily used as a key intermediate in the synthesis of silicone polymers and other organosilicon derivatives. Its value lies in its ability to introduce the diethylsilyl group, modifying surface properties and creating specialized siloxane structures. This chemical is essential for manufacturers in the silicone industry, particularly for producing release agents, water repellents, and as a precursor for more complex silane coupling agents.

Application

• Silicone Intermediate: A fundamental building block for the synthesis of various silicone oils, resins, and elastomers.
• Surface Modification: Used to impart hydrophobic (water-repellent) properties to glass, silica, and other mineral surfaces.
• Silane Coupling Agent Precursor: Serves as a starting material for manufacturing specialized coupling agents that improve adhesion between organic polymers and inorganic materials.
• Pharmaceutical & Agro-chemical Synthesis: Employed as a versatile reagent in the synthesis of active ingredients and intermediates that require silicon-containing functional groups.
• Laboratory Reagent: Used in research and development for introducing silyl protecting groups in organic synthesis.
• Production of Specialty Silanes: Key raw material for creating other functional silanes like diethylaminosilanes or diethylalkoxysilanes.

Basic Information

Product Name	Diethylchlorosilane
CAS No.	1609-19-4
Molecular Formula	C4H11ClSi
Molecular Weight	122.67 g/mol
Synonyms	Chlorodiethylsilane; Diethylchlorosilane; Diethylsilyl chloride; Silane, chlorodiethyl-; Diethylmonochlorosilane; NSC 66418; Diethylchlorosilane (DCES)
EINECS	216-545-1

Quality Control

Our Diethylchlorosilane is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including Gas Chromatography (GC) and FT-IR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat and ignition sources. Due to its highly volatile and hygroscopic (moisture-sensitive) nature, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) and handle in a moisture-free environment. Keep away from strong bases, oxidizing agents, and water.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Density (at 20°C)	0.88 - 0.90 g/mL
Refractive Index (n20D)	1.423 - 1.427
Boiling Point	Approx. 99 - 101 °C

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