Ethylene Carbonate (EC) is a cyclic carbonate ester with the chemical formula C3H4O3. It is a critical industrial chemical that appears as a colorless to yellowish …
High Dielectric Constant: With a value of approximately 90, it effectively dissociates electrolyte salts, significantly enhancing ionic conductivity in battery cells.
Superior SEI Formation: Essential for creating a protective layer on battery anodes, which prevents electrolyte degradation and extends cycle life.
High Thermal Stability: Features a high boiling point (243° C) and high flash point, providing safety and performance stability in high-temperature environments.
Eco-Friendly Profile: Classified as biodegradable and exhibiting low toxicity, it serves as a sustainable alternative to traditional halogenated solvents.
Excellent Solvency: Capable of dissolving a wide range of polymers and resins, making it a versatile processing aid.
规格
技术亮点
CAS Number: 96-49-1
Molecular Weight: 88.06 g/mol
Physical Properties: Melting point of 36–39° C; Density of 1.32 g/cm3 (liquid at 40° C).
Purity Grades: Produced in “Battery Grade” (≥ 99.99%) with moisture content typically below 10 p±, and “Industrial Grade” (≥ 99.5%).
Viscosity: 1.9 mPa⋯ at 40° C, allowing for efficient flow when blended with linear carbonates like DMC or DEC.
Vapor Pressure: Extremely low at room temperature (0.02 mmHg at 36° C), minimizing volatile organic compound (VOC) emissions.