Description

Ethyltrifluorosilane is a highly reactive organosilicon compound primarily used as a key building block in advanced material synthesis. Its value lies in its ability to introduce ethyl and fluorine-containing silyl groups, enabling precise surface modification and the creation of specialized polymers. This chemical is essential for manufacturers and R&D teams in the semiconductor, specialty chemical, and pharmaceutical intermediate sectors seeking to develop innovative materials with tailored properties.

Application

• Semiconductor Manufacturing: As a precursor for chemical vapor deposition (CVD) and atomic layer deposition (ALD) processes to create thin films and dielectric layers.
• Surface Modification Agent: For imparting hydrophobic and oleophobic properties to glass, metals, and ceramics.
• Silicone & Polymer Synthesis: Serves as a critical monomer or cross-linking agent in the production of fluorosilicone rubbers and high-performance resins.
• Pharmaceutical Intermediates: Used in the synthesis of complex molecules where a fluorinated silyl group is required for protection or as a functional handle.
• Adhesive & Sealant Formulations: Enhances adhesion and environmental resistance in high-performance industrial adhesives.
• Laboratory Research: A valuable reagent in organometallic chemistry and material science research for developing new silicon-based compounds.

Basic Information

Product Name	Ethyltrifluorosilane
CAS No.	353-89-9
Molecular Formula	C2H5F3Si
Molecular Weight	114.14 g/mol
Synonyms	Ethyltrifluorosilane; Ethylsilicon trifluoride; Trifluoro(ethyl)silane; Ethyltrifluorosilicane; Silane, ethyltrifluoro-; Ethyl-trifluorosilane; F3SiEt; (Trifluorosilyl)ethane
EINECS	206-541-4

Quality Control

Our Ethyltrifluorosilane is manufactured under stringent quality management systems 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 test results is provided with every shipment, ensuring full traceability and compliance with your material specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids, bases, and oxidizing agents. Due to its highly volatile nature, containers must be kept tightly sealed and under an inert atmosphere (e.g., nitrogen or argon) to maintain purity and prevent moisture ingress. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Density (at 25°C)	1.10 - 1.15 g/mL
Boiling Point	Approx. 35-37°C

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