Ethyl Methyl Carbonate Cas 623-53-0

Chemical Name: Ethyl methyl carbonate
CASNo.: 623-53-0
Molecular Fomula: C4H8O3
Molecular weight: 104.1
Appearance: transparent liquid
Assay: >99%

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Ethyl Methyl Carbonate (CAS 623-53-0) Technical Profile

Key Chemical Properties

Parameter Value
Molecular Formula C4H8O3
Appearance Colorless liquid
Boiling Point 109-110°C
Flash Point 31°C

Performance Comparison Table

Property EMC DMC DEC
Dielectric Constant 2.82 3.12 2.89
Viscosity (25°C) 0.65 cP 0.59 cP 0.75 cP

Core Industrial Uses

Lithium Battery Electrolytes

Primary solvent in lithium-ion battery electrolytes, enhancing ionic conductivity between 12-15 mS/cm at 25°C. Compatible with LiPF6 and LiBOB salts.

Specialty Chemical Synthesis

Intermediate for polycarbonate production and pharmaceutical precursors. Enables low-temperature reactions (-20°C to 40°C).

Best Practices

Storage Conditions

  • Maintain argon atmosphere with <0.5% humidity
  • Store at 15-25°C in HDPE containers

Verified Client Implementations

Case 1: Shanghai NewPower Tech Co., Ltd.

Application: High-voltage (4.4V) NMC811 battery production
Results: Achieved 15% cycle life improvement with 1.2M EMC-based electrolyte

Case 2: Guangdong EV Battery Solutions

Application: Fast-charging battery systems
Results: Reduced charge time to 18 minutes (10-80% SOC) using EMC solvent blend

Request Technical Consultation

Contact our electrolyte specialists:
Email: info@vivalr.com
Phone: (86) 15866781826

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