1,3-Propanesultone Cas:1120-71-4

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3-Hydroxy-1-propanesulfonic acid gamma-sultone
Propane sultone
1,3-Propane Sultone
C sultone
Propyl Sultone
1,2-Oxathiolane, 2,2-dioxide
1,2-Oxathiolane 2,2-Dioxide
1,3-propyl sultone
Lithium Battery Electrolyte additives
Molecular Formula:  C3H6O3S
Molecular weight:122.14300
Physical Properties:
Appearance and properties: transparent crystal
Density: 1.392 g/mL at 25 °C(lit.)
Boiling point: 180 °C30 mm Hg(lit.)
Melting point: 30-33 °C (lit.)
Flash Point: >230 °F
Refractive Index: 1.4585 (20ºC)
Water solubility: Slightly soluble
Stability: Stable, but moisture sensitive. Incompatible with strong oxidizing agents, strong acids, strong bases.
Appearance: colorless transparent liquid (≥31℃)
1,3-Propane sultone purity (GC): ≥99.95%
Chroma (platinum-cobalt color number): ≤20Hazen
Moisture: ≤80 mg/kg
Chloride ion: ≤1 mg/kg
Sulfate: ≤10 mg/kg
Metal ions NaKFenNiMgCaPb: ≤1 mg/kg
This product is a very important intermediate in organic synthesis. Its derivatives can improve the surface properties of substances and are widely used in electroplating industry. In the power battery electrolyte, it can also be directly used as an additive, and it can be added to the non-hydrolyzed liquid of lithium ion battery to improve the cycle life and storage stability.
Package and Storage:
This product is packed in stainless steel barrels with quick connectors filled with nitrogen, and the packing specifications are 200kg/200L, 100kg/100L, 25kg/25L. This product should be stored in a cool, ventilated and dry place.

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