Dimethyl carbonate is an organic compound with the formula OC(OCH₃)₂. It is an important solvent for the electrolyte of lithium-ion batteries. It is a colorless, flammable liquid, classified as a carbonate ester. The use of high-quality battery-grade solvents having extremely low water (<50 ppm) content is critical for achieving the high electrochemical performance of lithium-ion batteries.
| Chemical Name | Dimethyl Carbonate |
| CAS# | 616-38-6 |
| Molecular formula | (CH3O)2CO |
| Assay | >99.9% |
| Moisture | <30ppm |
| Total Alcohol | <100ppm |
| | |
| Molecular weight | 90.08 |
| Melting point | 4 Degree C |
| Boiling point | 90 Degree C (lit.) |
| Density | 1.069g/mL |
| Flash point | 17 Degree C |
| Form | clear liquid |
| Color | colorless, clear |
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Caution
This electrolyte solution or lithium salt sample is packaged in fluorinated HDPE/aluminum bottles with moisture strictly controlled (normally less than 20 ppm). The bottle is tightly closed and sealed with an aluminum bag. Please handle and store it in a glovebox with an inert atmosphere or a dry room. Avoid high-temperature heating or igniting. LIB electrolyte should be stored in a PE or Teflon (PTFE) sample bottle but not a glass bottle.
Lithium electrolyte materials are very sensitive, even sealed and stored in an inert atmosphere. We suggest replacing the electrolyte with fresh samples every six months.
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