Description

2,2,2-Trifluoroethyl Acetate (CAS No. 406-95-1) is a high-purity fluorinated ester with the molecular formula C₄H₅F₃O₂. This specialized chemical is widely utilized in advanced electrochemical applications due to its unique trifluoroethyl functional group, which imparts exceptional solvation properties and thermal stability. As a clear, volatile liquid with a characteristic ester odor, it is rigorously tested to meet the stringent purity standards required for lithium battery research and other high-tech applications. Our product is available in various packaging options under controlled conditions to ensure optimal shelf life and performance consistency.

Key Features:

• High chemical purity (>98%) with minimal trace impurities
• Excellent solvation properties for lithium salts
• Enhanced thermal stability compared to conventional esters
• Compatible with fluorine-containing battery systems
• Stored under nitrogen atmosphere to prevent degradation

Properties

• CAS Number: 406-95-1
• Complexity: 107
• IUPAC Name: 2,2,2-trifluoroethyl acetate
• InChI: InChI=1S/C4H5F3O2/c1-3(8)9-2-4(5,6)7/h2H2,1H3
• InChI Key: ZOWSJJBOQDKOHI-UHFFFAOYSA-N
• Exact Mass: 142.02416388
• Molecular Formula: C4H5F3O2
• Molecular Weight: 142.08
• SMILES: CC(=O)OCC(F)(F)F
• Topological: 26.3
• Monoisotopic Mass: 142.02416388
• Synonyms: 2,2,2-trifluoroethyl acetate, trifluoroethyl acetate, Ethanol, 2,2,2-trifluoro-, acetate, Acetic acid, 2,2,2-trifluoroethyl ester, UNII-EN07RVL78U, DTXSID60193609, ETHANOL, 2,2,2-TRIFLUORO-, 1-ACETATE, DTXCID50116100, 671-427-3, fmdmkdpufqnvsh-uhfffaoysa-n, 406-95-1, 2,2,2-TRIFLUOROETHYLACETATE, MFCD00198018, acetic acid 2,2,2-trifluoroethyl ester, EN07RVL78U, 2,2,2-trifluoroethanol acetate, 2,2,2-Trifluoroethyl ethanoate, trifluoroethylacetate, CF3CH2O2CCH3, SCHEMBL333504, SCHEMBL514311, SCHEMBL21488394, NLWQARUZDQQMIS-UHFFFAOYSA-N, SBB086219, AKOS005207271, DB14629, FS-4384, acetic acid 2,2,2-trifluoro-ethyl ester, SY050205, T3422, A26043, D92699, Q27277253

Application

2,2,2-Trifluoroethyl Acetate serves as a critical electrolyte additive in advanced lithium-ion battery formulations, particularly in fluorine-containing systems. Its trifluoroethyl group contributes to the formation of stable solid-electrolyte interphase (SEI) layers on anode surfaces, significantly improving battery cycle life. The compound demonstrates remarkable effects on elevating the ignition point of electrolyte solutions, enhancing battery safety under extreme conditions. Researchers also utilize this chemical in specialty organic synthesis where fluorine incorporation is required.

Safety and Hazards

GHS Hazard Statements

• H225 (100%): Highly Flammable liquid and vapor [Danger Flammable liquids]
• H315 (12.5%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (12.5%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

Precautionary Statements

• P210, P233, P240, P241, P242, P243, P264, P264+P265, P280, P302+P352, P303+P361+P353, P305+P351+P338, P321, P332+P317, P337+P317, P362+P364, P370+P378, P403+P235, and P501

Hazard Classes and Categories

• Flam. Liq. 2 (100%)
• Skin Irrit. 2 (12.5%)
• Eye Irrit. 2 (12.5%)

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