Bis(2,2,2-trifluoroethyl) carbonate

Updated: 2026-07-19

Overview

Bis(2,2,2-trifluoroethyl) carbonate is a fluorinated organic compound known for its stability and versatility in high-performance applications. It is commonly used as an electrolyte additive in lithium-ion batteries, where it enhances thermal stability and cycle life. The compound's unique properties also make it valuable in pharmaceutical synthesis and specialty chemical manufacturing. Its molecular structure, featuring two trifluoroethyl groups, contributes to its low viscosity and high solubility in organic solvents. These characteristics are critical for applications requiring precise chemical interactions and stability under extreme conditions.

Physical and Chemical Properties

Bis(2,2,2-trifluoroethyl) carbonate is a colorless to pale yellow liquid with a density of approximately 1.5 g/cm³. It exhibits high thermal stability, making it suitable for use in environments with elevated temperatures. The compound is soluble in common organic solvents, which facilitates its integration into various formulations. Its electrochemical stability is another key property, particularly for battery applications. The trifluoroethyl groups reduce the compound's reactivity, minimizing degradation during charge-discharge cycles. This stability is essential for maintaining battery performance over time.

Main Applications

The primary application of bis(2,2,2-trifluoroethyl) carbonate is in lithium-ion battery electrolytes, where it serves as an additive to improve thermal and electrochemical stability. Its use helps prevent electrolyte decomposition, extending battery life and enhancing safety. In the pharmaceutical industry, the compound is employed as an intermediate in the synthesis of fluorinated drugs. Its ability to introduce fluorine atoms into molecules makes it valuable for developing medications with improved bioavailability and metabolic stability. Additionally, it finds use in specialty chemicals for advanced materials and coatings.

Safety and Storage

Bis(2,2,2-trifluoroethyl) carbonate should be handled with care due to its potential health hazards. Avoid inhalation, skin contact, and ingestion by using appropriate personal protective equipment (PPE), including gloves and goggles. Work in a well-ventilated area or under a fume hood to minimize exposure. Storage conditions are critical to maintaining the compound's stability. It should be kept in a cool, dry place away from moisture and direct sunlight. Containers should be tightly sealed to prevent contamination and degradation. In case of spills, follow standard chemical spill protocols to ensure safe cleanup.

B2B Procurement Guide

When procuring bis(2,2,2-trifluoroethyl) carbonate, prioritize suppliers with verified certifications and a track record of quality. Request detailed specifications, including purity levels and impurity profiles, to ensure the compound meets your application requirements. Bulk purchasing can offer cost advantages, but consider storage capacity and shelf life to avoid waste. Negotiate terms for delivery and handling to minimize risks during transportation. Establish a reliable supply chain to prevent disruptions in production schedules.