Description

Ethanethioic Acid, Difluoro(Fluorosulfonyl)-, Anhydrosulfide With Thiocyanic Acid CAS NO 664-17-5 is a specialized organosulfur and organofluorine compound that serves as a versatile reagent and intermediate in advanced chemical synthesis. Its unique structure, featuring both thiocarbonyl and fluorosulfonyl groups, makes it a valuable precursor for introducing sulfur and fluorine functionalities into target molecules. This high-purity chemical is essential for research and development laboratories and industrial-scale production facilities focused on pharmaceuticals, agrochemicals, and advanced material science.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring fluorinated or sulfur-containing heterocycles.
• Agrochemical Synthesis: Serves as a key building block for creating novel herbicides, fungicides, and insecticides with enhanced activity and selectivity.
• Chemical Research Reagent: Employed in academic and industrial R&D for exploring new reactions in organofluorine and organosulfur chemistry.
• Polymer Modification: Acts as a functionalization agent to introduce specific reactive groups into polymer backbones for specialty materials.
• Ligand and Catalyst Development: Utilized in the preparation of novel ligands and catalysts for asymmetric synthesis and other catalytic processes.
• Fluorination Agent: Functions as a source of fluorosulfonyl groups in electrophilic or radical fluorination reactions.

Basic Information

Product Name	Ethanethioic Acid, Difluoro(Fluorosulfonyl)-, Anhydrosulfide With Thiocyanic Acid
CAS No.	664-17-5
Molecular Formula	C3F3NO2S3
Molecular Weight	231.24 g/mol
Synonyms	Difluoro(fluorosulfonyl)acetic acid thioanhydride with thiocyanic acid; Thiocyanic acid, anhydrosulfide with difluoro(fluorosulfonyl)ethanethioic acid; 2,2-Difluoro-2-(fluorosulfonyl)acetic acid thioanhydride with thiocyanic acid; Perfluoromethanesulfenyl thiocyanate derivative; FSO2CF2C(O)SCN (common representation); Fluorosulfonyldifluoroacetyl thiocyanate; [664-17-5]
EINECS	Contact for details

Quality Control

Our production of Ethanethioic Acid, Difluoro(Fluorosulfonyl)-, Anhydrosulfide With Thiocyanic Acid (CAS 664-17-5) adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing, including chromatography (HPLC, GC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to guarantee compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C/59-77°F). This compound is sensitive to moisture and strong bases. Keep away from incompatible materials such as fluorides and strong alkalis. Ensure containers are kept upright and properly labeled.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Individual impurity ≤ 1.0%; Total impurities ≤ 2.0%

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