Description

Diethyldifluorosilane is a highly reactive organosilicon compound primarily used as a key fluorinating and silylating agent in advanced chemical synthesis. Its value lies in introducing the diethylsilyl and fluorine functional groups, enabling precise modifications to molecular structures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty materials sectors who require high-purity intermediates for developing novel active ingredients and advanced polymers.

Application

• Pharmaceutical Intermediate Synthesis: Acts as a key fluorinating and protecting group reagent in the production of active pharmaceutical ingredients (APIs).
• Agrochemical Manufacturing: Used in the synthesis of advanced herbicides, fungicides, and pesticides where fluorine incorporation enhances biological activity.
• Surface Modification & Coatings: Employed as a precursor for creating hydrophobic, oleophobic, or release coatings on glass, metals, and polymers.
• Semiconductor & Electronics Industry: Serves as a source for silicon and fluorine in chemical vapor deposition (CVD) processes for thin-film and dielectric layer fabrication.
• Specialty Polymer Synthesis: A monomer or cross-linking agent for producing fluorinated silicones and other high-performance polymers with enhanced thermal and chemical resistance.
• Laboratory Research & Development: A versatile reagent in organic and organometallic chemistry for constructing complex molecular architectures.

Basic Information

Product Name	Diethyldifluorosilane
CAS No.	358-06-5
Molecular Formula	C4H10F2Si
Molecular Weight	124.21 g/mol
Synonyms	Difluorodiethylsilane; Diethylsilyl Difluoride; Diethyldifluorosilicon; Diethylfluorosilane (common misnomer); (Diethylsilyl)difluoride; Silane, diethyldifluoro-; EINECS 206-608-6
EINECS	206-608-6

Quality Control

Our Diethyldifluorosilane is manufactured under stringent quality management systems. Each batch undergoes rigorous analytical testing, including GC, NMR, and Karl Fischer titration, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at temperatures between 2°C and 8°C. Due to its hygroscopic and highly volatile nature, containers must be kept tightly sealed under an inert atmosphere (argon or nitrogen) after opening to prevent moisture ingress and decomposition. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Density (at 20°C)	~0.92 g/mL
Boiling Point	~80-82°C

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