Vinylene Carbonate£¨VC£©
Chemical name£ºVinylene carbonate£¬
1,3-Dioxo-2-one£¬
1, 3-dioxolen-2-ketones
CAS NO£º872-36-6
Formula£ºC3H2O3
Molecular weight£º86.10
Structure formula£º 
Product Properties
VC is colorless or pale yellow transparent liquid. Its melting point is 19~22¡æ and boiling point is 162¡æ£¬The relative density is 1.355g/ml at 20¡æ as flash point is 73¡æ with refractive index 1.42~1.422 and water solubility 11.5g/100ml.
Specifications and Quality Standards
No. | Item | E-Grade |
1 | Appearance | Colorless transparent liquid (£¾25¡æ) |
2 | Purity(by GC, Before adding BHT) | ¡Ý99.995% |
3 | Moisture | ¡Ü30 mg/kg |
4 | BHT | 70-110 mg/kg or |
5 | Chloridion | ¡Ü1 mg/kg |
6 | Sulfate radical | ¡Ü10 mg/kg |
7 | Organochlorine | ¡Ü10mg/kg |
8 | Metal ion £¨Na\K\Fe\Zn\Ni\Mg\Ca\Pb£© | ¡Ü1 mg/kg |
Application
VC is mainly used as organic synthesis intermediates or as addition in electrolyte for lithium ion batteries (LIB). Adding in electrolyte can greatly increase the battery capacity and cycle life.
Packaging and storage
This product is packed in stainless steel barrels with quick joint (N2 pressure: 0.11~0.13MPa ), with packing specification 200kg/200L, 100kg/100L or 25kg/25L. It should be stored in a cool, dry and draughty warehouse.
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