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Vinylene Carbonate(VC)
Vinylene Carbonate(VC)
Synonyms:1,3-Dioxo-2-one; VC
CAS No.:872-36-6
EINECS No.:212-825-5
Molecular Formula:C3H2O3
Molecular Weight:86.046
Structure Formula:
Standard:
Grade Items |
Specifications |
|
Battery |
Top Grade |
|
Appearance |
Colorless transparent liquid |
Colorless transparent liquid |
Color(AHPA) |
≤10 |
≤20 |
Purity(GC) |
≥99.995% |
≥99.95% |
Water(Karl-Fischer) |
≤30ppm |
≤30ppm |
Chloride (Cl-) |
≤10ppm |
≤10ppm |
Sulfate(SO42-) |
≤10ppm |
≤10ppm |
Free Chlorine |
≤10ppm |
≤10ppm |
Stabilizer(BHT) (2,6-Di-tert-butyl-4-methylphenol) |
70-110ppm, Or according to customer requirements. |
Properties:It is a colorless or slightly yellow transparent liquid. Melting point: 19-22 ℃, Boiling point: 162℃, Relative density (25℃): 1.355g/ml, Flash point: 73℃, Refractive index: 1.42-1.422, Water solubility: 11.5g/100ml.
Uses:Vinyl carbonate is a new type of film forming additive and overcharge protection additive for lithium-ion batteries. It can form a layer of solid electrolyte interface film (SEI film) by electrochemical reaction on the negative electrode surface during the initial charge and discharge of lithium-ion batteries, and effectively inhibit the embedding of solvent molecules. It has good performance at high and low temperature, and excellent anti-bloating function. Vinyl carbonate can improve the capacity and cycle life of the lithium-ion battery. In addition, it can also be used as a monomer for the preparation of polyvinyl carbonate.
Storage:This product should be stored in a cool, ventilated and dry place. Keep away from heat and fire source; Avoid direct light irradiation; Avoid contact with oxide, reducing agent, acids and bases.
Packing:This product is packed in stainless steel drums with quick joints and filled with nitrogen (nitrogen pressure 0.11-0.13mpa). Net weight 20kg or 200kg drum, or use 5kg high-density polyethylene bottles with vacuumed aluminum foil bag.
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