Description

Methanesulfonic Acid, Trifluoro-, Pentafluoroethyl Ester is a specialized fluorinated sulfonate ester, a high-value intermediate in advanced chemical synthesis. This compound matters for its unique reactivity profile, offering a versatile perfluoroalkylsulfonyl moiety for introducing fluorinated groups under controlled conditions. It is primarily needed by R&D chemists and process development teams in the pharmaceutical, agrochemical, and specialty materials industries for constructing complex molecules with enhanced properties.

Application

• As a key fluorinated building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for introducing lipophilic and metabolically stable motifs.
• As an intermediate in the development of novel agrochemicals, where the fluorinated group can improve biological activity and environmental persistence.
• In materials science for the synthesis of specialty polymers, surfactants, and coatings that require specific surface energy and chemical resistance properties.
• As a reagent in organic synthesis for nucleophilic substitution reactions, esterifications, and as a precursor to other perfluoroalkylsulfonyl derivatives.
• In electrolyte formulations for advanced battery systems, where fluorinated components can enhance stability and performance.

Basic Information

Product Name	Methanesulfonic Acid, Trifluoro-, Pentafluoroethyl Ester
CAS No.	74501-94-3
Molecular Formula	C5H2F8O3S
Molecular Weight	294.12 g/mol
Synonyms	Pentafluoroethyl Trifluoromethanesulfonate; Perfluoroethyl Triflate; 2,2,2-Trifluoroethyl Trifluoromethanesulfonate (common misnomer, verify structure); Pentafluoroethyl Triflate; Ethyl Perfluoro Triflate; TFEOTrif; (Pentafluoroethoxy)sulfonyl Fluoride Derivative; 1,1,1,2,2-Pentafluoro-2-(trifluoromethanesulfonyloxy)ethane
EINECS	Contact for details

Quality Control

Our Methanesulfonic Acid, Trifluoro-, Pentafluoroethyl Ester is produced and handled under strict quality management protocols. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high chemical purity and identity confirmation. Certificates of Analysis (COA) with detailed specifications are provided for every shipment, supporting 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. Due to its reactivity as a fluoride/strong alkali-sensitive compound, it should be kept separate from incompatible materials such as strong bases and nucleophiles. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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