Description

Ethyl Trifluoromethanesulfonate is a highly reactive alkylating agent and a powerful ethylating reagent. This compound is critical for introducing the ethyl group into complex molecular frameworks under mild conditions, enabling efficient synthesis in advanced chemical manufacturing. It is primarily utilized by research institutions and industrial producers in the pharmaceutical, agrochemical, and specialty chemical sectors for constructing key intermediates and active ingredients.

Application

• Pharmaceutical Intermediate Synthesis: Key reagent for the ethylation of heterocycles, amines, and oxygen nucleophiles in active pharmaceutical ingredient (API) development.
• Agrochemical Manufacturing: Used in the production of herbicides, fungicides, and pesticides by ethylating specific target molecules.
• Material Science & Polymer Chemistry: Acts as an initiator or modifying agent in the synthesis of specialized polymers and fluorinated materials.
• Organic Synthesis & Catalysis: Employed as a Lewis acid catalyst or a strong ethylating agent in various Friedel-Crafts and other coupling reactions.
• Fine Chemical Production: Essential for manufacturing complex dyes, flavors, and fragrances where precise ethyl group introduction is required.
• Laboratory Research & Development: A versatile tool in academic and industrial R&D for method development and exploring new synthetic pathways.

Basic Information

Product Name	Ethyl Trifluoromethanesulfonate
CAS No.	425-75-2
Molecular Formula	C3H5F3O3S
Molecular Weight	178.13 g/mol
Synonyms	Ethyl Triflate; Trifluoromethanesulfonic Acid Ethyl Ester; Ethyl Trifluoromethanesulphonate; Ethyl Triflyl Ether; Ethyl Perfluoroalkylsulfonate; Ethyl Ester of Triflic Acid; TfOEt; 425-75-2
EINECS	207-047-8

Quality Control

Our Ethyl Trifluoromethanesulfonate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing including GC, NMR, and Karl Fischer titration to ensure high purity and consistency. Certificates of Analysis (COA) with detailed specifications are provided for every shipment, supporting compliance in cGMP and ISO 9001 environments for critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Due to its hygroscopic and moisture-sensitive nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Density (at 20°C)	~1.43 g/mL
Refractive Index (n20D)	~1.345

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