Prop-1-ene-1,3-sultone

Prop-1-ene-1,3-sultone (PES) is a versatile chemical compound primarily used as an electrolyte additive in lithium-ion batteries (LIBs), where it enhances performance and longevity. PES helps form a protective solid electrolyte interphase (SEI) on the graphite anode, preventing the co-intercalation of propane carbonate (PC) and reducing gas production during the first charge cycle. It also prevents destructive exfoliation of the anode and acts as a photoelectron sensitizer. PES is soluble in both organic solvents and deionized water, and it is more easily reduced than propane sultone (PS), a similar compound used in LIBs. In addition to its role in battery technology, PES is utilized in asymmetric synthesis as a ligand for transition metal ions, such as Fe2+, and has antioxidant properties. However, PES is hazardous, being toxic, carcinogenic, mutagenic, and teratogenic, with potential for skin absorption, inhalation, or ingestion. It poses environmental risks and should be handled with caution, including the use of personal protective equipment and adherence to safety guidelines.

InChI:InChI=1/C3H4O3S/c4-7(5)3-1-2-6-7/h1,3H,2H2

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