Description

2,4,4,5,5-Pentafluoro-2-(trifluoromethyl)-1,3-dioxathiolane-3,3-dioxide is a highly fluorinated cyclic sulfone ester, a specialized organofluorine building block prized for its unique reactivity and ability to introduce fluorinated moieties. This compound matters for its role in advanced material science and pharmaceutical chemistry, where its structure enables the synthesis of novel fluorinated molecules with tailored properties. Industrial and research chemists in the agrochemical, pharmaceutical, and specialty polymer sectors need it to develop products with enhanced stability, bioavailability, or specific surface characteristics.

Application

• Fluorinated Polymer Synthesis: As a key monomer or intermediate for creating high-performance, chemically resistant fluoropolymers and coatings.
• Agrochemical Intermediates: Used in the synthesis of advanced, potent, and environmentally persistent active ingredients for crop protection.
• Pharmaceutical Building Block: Enables the introduction of fluorine atoms into lead compounds to modulate metabolism, bioavailability, and binding affinity in drug discovery.
• Lithium-Ion Battery Electrolytes: Serves as a potential additive or co-solvent to enhance electrolyte stability and safety under high-voltage conditions.
• Surface Modification Agents: Imparts oleophobic and hydrophobic properties to materials for advanced textiles and electronics.
• Specialty Solvent & Reaction Medium: Acts as a high-polarity, thermally stable solvent for demanding fluorination and other synthetic reactions.

Basic Information

Product Name	2,4,4,5,5-Pentafluoro-2-(trifluoromethyl)-1,3-dioxathiolane-3,3-dioxide
CAS No.	26954-17-6
Molecular Formula	C4F8O4S
Molecular Weight	296.09 g/mol
Synonyms	Perfluoro(2-methyl-1,3-dioxathiolane 3,3-dioxide); 2-(Trifluoromethyl)-2,4,4,5,5-pentafluoro-1,3,2-dioxathiolane 3,3-dioxide; 1,3-Dioxathiolane-3,3-dioxide, 2,4,4,5,5-pentafluoro-2-(trifluoromethyl)-; Pentafluorotrifluoromethyldioxathiolane dioxide; PFMDD; FSO-1120 (potential trade name); Hexafluoroisopropylene sulfite cyclic sulfone (common name)
EINECS	Contact for details

Quality Control

Our production of 2,4,4,5,5-Pentafluoro-2-(trifluoromethyl)-1,3-dioxathiolane-3,3-dioxide adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for sensitive applications. All materials are characterized using advanced analytical techniques including NMR, GC-MS, and HPLC. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its properties as a strong acid/organic solvent and high volatility, ensure containers are kept upright and sealed when not in use, away from heat sources and incompatible materials. Use appropriate grounding and bonding procedures during handling and transfer.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Purity (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Acidity (Titration)	≤ 0.05%

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