Description

Dimethyldifluorosilane is a highly reactive organosilicon compound primarily used as a key fluorinating and silylating agent in advanced chemical synthesis. Its value lies in its ability to introduce fluorine and dimethylsilyl groups, enabling the creation of specialized materials with tailored surface properties and enhanced stability. This product is essential for manufacturers and R&D facilities in the semiconductor, specialty chemical, and pharmaceutical industries seeking to develop high-performance coatings, intermediates, and electronic materials.

Application

• Semiconductor Manufacturing: As a precursor for chemical vapor deposition (CVD) and atomic layer deposition (ALD) processes to create thin silicon-based dielectric films.
• Surface Modification: For imparting hydrophobic and oleophobic properties to glass, ceramics, and metals through surface fluorination.
• Specialty Polymer Synthesis: Serving as a monomer or modifying agent in the production of fluorosilicone polymers with unique thermal and chemical resistance.
• Pharmaceutical Intermediates: Utilized as a protecting group or fluorinating agent in the synthesis of complex active pharmaceutical ingredients (APIs).
• Laboratory Reagent: Employed in research and development for organometallic chemistry and the synthesis of novel organofluorine compounds.
• Adhesive & Sealant Formulation: As an additive to enhance the curing properties and environmental stability of silicone-based products.

Basic Information

Product Name	Dimethyldifluorosilane
CAS No.	353-66-2
Molecular Formula	C2H6F2Si
Molecular Weight	96.15 g/mol
Synonyms	Difluorodimethylsilane; Dimethylsilyl Difluoride; Silane, difluorodimethyl-; (Dimethylsilyl)difluoride; DFDMS; NSC 5182; Dimethylfluorosilane (common misnomer); DMDFS
EINECS	206-540-0

Quality Control

Our Dimethyldifluorosilane is produced and handled under stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including gas chromatography (GC) and NMR spectroscopy, to verify identity and assay. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly volatile and reactive nature (fluoride/strong alkali), store in a cool, well-ventilated area, away from heat, ignition sources, and incompatible materials such as strong oxidizers, acids, and moisture. For long-term stability, storage under an inert atmosphere (e.g., nitrogen or argon) in a dedicated, temperature-controlled environment (recommended 15-25°C) is advised.

Specification

Item	Specification
Appearance	Colorless liquid / gas
Identification (IR)	Conforms
Purity (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%

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