【Chemical Name】 ETHYLENESULFATE (DTD)
【Synonym】 1,3,2-Dioxathiolan-2,2-oxide ;1,2-ETHYLENE SULFATE;
【CAS No.】 1072-53-3
【Molecular Formula】 C2H4O4S
【Molecular Weight】 124.12
【Structural Formula】
【Properties】
Melting point 95-97 °C (lit.);
Boiling point 231.1±7.0℃ (760 Torr);
density 1.604±0.06 g/cm3 (20 ºC 760 Torr);
refractive index 1.5090 (estimate);
【Specification】White crystal powder, ≥99%
【Packing】25kg/drum
【Usage】As an additive for lithium-ion battery electrolyte, its function is to inhibit the decrease of the initial capacity of the battery, increase the initial discharge capacity, reduce the swelling of the battery after being placed at high temperature, and improve the charge-discharge performance and cycle times of the battery.