Description

Lithium Trifluoromethanesulfonate (LiOTf) is a high-purity lithium salt of trifluoromethanesulfonic acid, widely recognized for its exceptional electrochemical stability and solubility in a variety of organic solvents. With the molecular formula CF₃LiO₃S and CAS number 33454-82-9, this compound is a critical component in advanced battery electrolytes, particularly for lithium-ion and lithium-metal batteries, due to its high ionic conductivity and thermal stability. Available in trace metals grade (99.95% purity) and as a 30% aqueous solution, it is ideal for demanding applications in energy storage, electrochemistry, and materials science. Its robust performance under extreme conditions makes it a preferred choice for researchers developing next-generation energy solutions.

Properties

• CAS Number: 33454-82-9
• Complexity: 162
• IUPAC Name: lithium;trifluoromethanesulfonate
• InChI: InChI=1S/CHF3O3S.Li/c2-1(3,4)8(5,6)7;/h(H,5,6,7);/q;+1/p-1
• InChI Key: MCVFFRWZNYZUIJ-UHFFFAOYSA-M
• Exact Mass: 155.96802795
• Molecular Formula: CF3LiO3S
• Molecular Weight: 156.0
• SMILES: [Li+].C(F)(F)(F)S(=O)(=O)[O-]
• Topological: 65.6
• Monoisotopic Mass: 155.96802795
• Physical Description: Liquid
• Synonyms: Lithium trifluoromethanesulfonate, 33454-82-9, Lithium triflate, Lithium trifluoromethanesulphonate, Methanesulfonic acid, trifluoro-, lithium salt, Trifluoromethanesulfonic acid lithium salt, EINECS 251-528-5, LiTFS, 1C966KV50I, NSC 175813, lithium trifluoromethylsulfonate, DTXSID3044419, Methanesulfonic acid, 1,1,1-trifluoro-, lithium salt (1:1), NSC-175813, LITHIUM TRIFLUOROMETHANESULFONATE (LISO3CF3), DTXCID1024419, Methanesulfonic acid, trifluoro, lithium salt, Methanesulfonic acid, 1,1,1trifluoro, lithium salt (1:1), Li triflate, MFCD00013227, lithium;trifluoromethanesulfonate, Trifluoromethanesulfonate (lithium), Lithiumtrifluoromethanesulfonate (LiTFS), lithium(1+) ion trifluoromethanesulfonate, Lithium Trifluoromethylsulfo?nate, UNII-1C966KV50I, lithium,trifluoromethanesulfonate, LiTf, LiOTf, SCHEMBL17213, lithium trifluoromethane-sulfonate, CS-B0873, HY-21170B, AKOS015852937, lithium trifluoromethane sulfonate salt, GS-6793, SY010465, DB-048409, NS00087960, T1548, H10730, EN300-6744497, A821781, Lithium trifluoromethanesulfonate, trace metals grade, Q3998748, Lithium trifluoromethanesulfonate, 30% aqueous solution, Lithium trifluoromethanesulfonate, Trace metals grade, 99.95%

Lithium Trifluoromethanesulfonate (LiOTf) is primarily used as an electrolyte additive in lithium-ion batteries to enhance conductivity and thermal stability. It is also employed in organic synthesis as a catalyst or co-catalyst due to its strong Lewis acid properties. Additionally, LiOTf finds applications in polymer electrolytes and ionic liquids for advanced electrochemical devices. Its high solubility in polar solvents makes it suitable for use in supercapacitors and fuel cells. Researchers value LiOTf for its ability to improve battery performance under high-voltage and high-temperature conditions.

Safety and Hazards

GHS Hazard Statements

• H302 (89.2%): Harmful if swallowed [Warning Acute toxicity, oral]
• H315 (10.6%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (11%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (10%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Acute Tox. 4 (89.2%)
• Skin Irrit. 2 (10.6%)
• Eye Irrit. 2 (11%)
• STOT SE 3 (10%)

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