Description

Methyl 2,2,2-trifluoroethyl carbonate (FEMC) is a high-purity fluorinated carbonate ester with the molecular formula C₄H₅F₃O₃, designed for advanced applications in research and industrial chemistry. This specialized chemical compound is widely recognized for its role as a non-aqueous electrolyte solvent in lithium-ion batteries, offering excellent electrochemical stability, low viscosity, and high dielectric constant. With a CAS number of 156783-95-8, it is rigorously tested to meet the stringent requirements of battery research, organic synthesis, and material science. Available in various packaging options, this product ensures optimal performance in high-energy-density battery systems and other cutting-edge applications.

Key features include:

• High purity (>99%) for precise experimental results
• Exceptional thermal and chemical stability
• Superior solubility for lithium salts
• Low volatility and flammability compared to conventional carbonates
• Ideal for high-voltage battery applications

Properties

• CAS Number: 156783-95-8
• Complexity: 119
• IUPAC Name: methyl 2,2,2-trifluoroethyl carbonate
• InChI: InChI=1S/C4H5F3O3/c1-9-3(8)10-2-4(5,6)7/h2H2,1H3
• InChI Key: GBPVMEKUJUKTBA-UHFFFAOYSA-N
• Exact Mass: 158.01907850
• Molecular Formula: C4H5F3O3
• Molecular Weight: 158.08
• SMILES: COC(=O)OCC(F)(F)F
• Topological: 35.5
• Monoisotopic Mass: 158.01907850
• Synonyms: 156783-95-8, methyl 2,2,2-trifluoroethyl carbonate, DTXSID90590869, DTXCID30541633, 694-997-5, Carbonic acid, methyl 2,2,2-trifluoroethyl ester, methyl (2,2,2-trifluoroethyl) carbonate, 2,2,2-trifluoroethyl Methyl Carbonate, MFCD28054295, FEMC, CF3CH2OCO2CH3, SCHEMBL308513, SCHEMBL697573, GGA78395, AKOS024258058, AS-67618, SY131079, DB-171834, Carbonicacid,methyl2,2,2-trifluoroethylester, CS-0162373, M3376, A10604, EN300-200188, Methyl carbonic acid 2,2,2-trifluoroethyl ester

Methyl 2,2,2-trifluoroethyl carbonate serves as a critical electrolyte component in next-generation lithium-ion batteries, particularly for high-voltage cathode materials. Researchers utilize it to enhance battery performance by improving ionic conductivity and oxidative stability at elevated voltages. In organic synthesis, it acts as a versatile fluorinated building block for pharmaceutical intermediates and specialty chemicals. The compound also finds use in material science for surface modification and as a solvent for advanced polymer systems.

Safety and Hazards

GHS Hazard Statements

• H225 (28.6%): Highly Flammable liquid and vapor [Danger Flammable liquids]
• H226 (57.1%): Flammable liquid and vapor [Warning Flammable liquids]
• H302 (28.6%): Harmful if swallowed [Warning Acute toxicity, oral]
• H315 (71.4%): Causes skin irritation [Warning Skin corrosion/irritation]
• H317 (28.6%): May cause an allergic skin reaction [Warning Sensitization, Skin]
• H319 (71.4%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (28.6%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P270, P271, P272, P280, P301+P317, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P333+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501

Hazard Classes and Categories

• Flam. Liq. 2 (28.6%)
• Flam. Liq. 3 (57.1%)
• Acute Tox. 4 (28.6%)
• Skin Irrit. 2 (71.4%)
• Skin Sens. 1 (28.6%)
• Eye Irrit. 2 (71.4%)
• STOT SE 3 (28.6%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.