Description

Bis(Pentafluoroethyl) Persulfide is a specialized organofluorine compound featuring a disulfide bridge between two pentafluoroethyl groups. This unique structure makes it a valuable intermediate and reagent for introducing fluorinated moieties into target molecules, enhancing their chemical stability and altering physical properties. It is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for applications requiring precise fluorination.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel fluorinated active pharmaceutical ingredients (APIs) to improve metabolic stability and bioavailability.
• Agrochemical Synthesis: Used in the development of next-generation herbicides and pesticides where fluorination is critical for efficacy and environmental persistence.
• Polymer & Material Science: Acts as a monomer or cross-linking agent for creating specialty fluoropolymers with enhanced thermal, chemical, and surface properties.
• Liquid Crystal & Electronic Materials: Employed in the synthesis of fluorinated components for liquid crystal displays (LCDs) and organic light-emitting diodes (OLEDs).
• Surface Modification Reagent: Used to create low-surface-energy, hydrophobic, and oleophobic coatings on various substrates.
• Research & Development: A versatile reagent in academic and industrial R&D for exploring new fluorination reactions and creating novel fluorochemical entities.

Basic Information

Product Name	Bis(Pentafluoroethyl) Persulfide
CAS No.	679-77-6
Molecular Formula	C4F10S2
Molecular Weight	310.16 g/mol
Synonyms	1,1,1,2,2-Pentafluoro-2-[(pentafluoroethyl)disulfanyl]ethane; Bis(2,2,2-trifluoroethyl) Disulfide (incorrect but common misnomer); Perfluoroethyl Disulfide; Pentafluoroethyl Disulfide; 1,1,2,2,2-Pentafluoroethyl Disulfide; C2F5SSC2F5; (Pentafluoroethyl)disulfane
EINECS	211-685-3

Quality Control

Every batch of Bis(Pentafluoroethyl) Persulfide is manufactured and tested under strict quality management systems. We provide comprehensive analytical data to ensure the product meets the high-purity standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA), including results for assay, identity, and impurity profiles, is supplied with each shipment and is available upon request.

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, organic solvents, fluorides, and strong alkalis. For long-term storage, maintaining the container under an inert atmosphere (e.g., nitrogen or argon) is recommended to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Purity (GC Area %)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Density (at 20°C)	~1.7 g/mL

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