Description

Sodium Trifluoromethanesulfonate (CAS 2926-30-9) is a high-purity, white crystalline solid with the molecular formula CF₃NaO₃S. This organosulfur compound is widely recognized for its exceptional stability, solubility in polar solvents, and utility as a strong non-nucleophilic anionic counterion in organic synthesis and catalysis. With a trace metals grade purity of 99.98%, it is ideal for sensitive applications requiring minimal contamination. Sodium triflate (common shorthand) is extensively used in electrochemical research, polymer chemistry, and as a precursor for trifluoromethanesulfonyl derivatives. Packaged under inert conditions to ensure longevity, this reagent is a staple in pharmaceutical, materials science, and battery electrolyte research.

Properties

• CAS Number: 2926-30-9
• Complexity: 162
• IUPAC Name: sodium;trifluoromethanesulfonate
• InChI: InChI=1S/CHF3O3S.Na/c2-1(3,4)8(5,6)7;/h(H,5,6,7);/q;+1/p-1
• InChI Key: XGPOMXSYOKFBHS-UHFFFAOYSA-M
• Exact Mass: 171.94179380
• Molecular Formula: CF3NaO3S
• Molecular Weight: 172.06
• SMILES: C(F)(F)(F)S(=O)(=O)[O-].[Na+]
• Topological: 65.6
• Monoisotopic Mass: 171.94179380
• Synonyms: Sodium trifluoromethanesulfonate, 2926-30-9, DTXSID20635510, DTXCID30586261, 629-418-7, Sodium triflate, sodium;trifluoromethanesulfonate, MFCD00061607, Methanesulfonic acid, 1,1,1-trifluoro-, sodium salt (1:1), Trifluoromethanesulfonic acid (sodium), Sodiumtrifluoromethanesulfonate, Methanesulfonic acid, trifluoro-, sodium salt, trifluoromethanesulfonic acid sodium, Sodium trifluoromethanesulfonate, 98%, Trifluoromethanesulfonic acid sodium salt, CF3SO3Na, SCHEMBL158641, sodium,trifluoromethanesulfonate, sodium trifluoro-methanesulfonate, sodium trifluoromethane-sulfonate, CHEMBL3326865, AKOS005063791, CS-W017632, FS60911, GS-6790, HY-W016916, SY010312, T1550, H10769, EN300-6746259, Sodium triflate;Trifluoromethanesulfonic acid sodium, Sodium trifluoromethanesulfonate, Trace metals grade, 99.98%

Sodium trifluoromethanesulfonate serves as a key electrolyte additive in lithium-ion batteries due to its high thermal stability and ionic conductivity. It is also employed as a catalyst in polymerization reactions and as a mild Lewis acid in organic transformations. Researchers utilize it in peptide synthesis and as a precursor for triflate esters in nucleophilic substitution reactions.

Safety and Hazards

GHS Hazard Statements

• H315 (98.1%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (98.1%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (96.2%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

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

Hazard Classes and Categories

• Skin Irrit. 2 (98.1%)
• Eye Irrit. 2 (98.1%)
• STOT SE 3 (96.2%)

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