Lithium Nonafluoro-1-butanesulfonate TCI N0710

Chemical Identity

CAS No.: 131651-65-5
PubChem: CID 23681910·SID 87574016
Formula: C4F9LiO3S
Molecular weight: 306.1 g/mol
Purity: >95.0%(T)
Reference databases: ECHA

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: lithium 1,1,2,2,3,3,4,4,4-nonafluorobutane-1-sulfonate
SMILES: [Li+].C(C(C(F)(F)S(=O)(=O)[O-])(F)F)(C(F)(F)F)(F)F
InChIKey: FEDFHMISXKDOJI-UHFFFAOYSA-M

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Lithium Nonafluoro-1-butanesulfonate from TCI (product code N0710) is the lithium salt of nonafluorobutanesulfonic acid, and its nonaflate anion is fully fluorinated. TCI lists this compound under battery materials, specifically battery electrolytes. In the laboratory, it serves as an alternative lithium salt in electrolyte research for lithium-ion batteries and solid polymer electrolytes. It is also used in studies of ion transport and electrochemical stability, where researchers need a well-defined, fluorinated lithium source.

Researchers choose this salt because the nonaflate anion is highly stable and weakly coordinating. The sulfonate group and the perfluorobutyl chain spread the negative charge across the anion, so lithium ions dissociate more readily in polar organic solvents and in polymer matrices. Strong carbon-fluorine bonds give the anion good chemical and thermal resistance. The salt also makes a useful comparison with more common lithium salts. For example, researchers can use it to examine how perfluoroalkyl chain length affects ionic conductivity and the formation of electrode interfaces.

In Indonesia, this material is relevant to energy and battery research laboratories at universities and research institutions. That includes groups developing electrolytes for electric vehicles and stationary energy storage systems, where interest in lithium-ion technology keeps growing. Graduate researchers and academic teams working on new electrolyte formulations, polymer electrolyte membranes, or basic electrochemical characterisation can use this TCI salt as a dependable reference material in their experiments.

TCI brochures (PDF)

Lithium Electrolytes 2026-04-06 · p. 1
Lithium Compounds for Research and Experimental Use 2026-02-10 · p. 2
Battery Research Reagents 2026-09-18 · p. 3
Fluorous Chemistry 2025-01-21 · p. 9

Related TCI products

Lithium-ion battery electrolyte research: the salt acts as an alternative lithium source, and its weakly coordinating nonaflate anion helps lithium ions dissociate in polar organic solvents.
Solid polymer electrolyte development: the charge on the anion is spread out, so lithium ions dissociate well inside polymer matrices, which suits studies of ion-conducting membranes.
Ion transport studies: researchers can use this salt to examine how lithium ions move through liquid and polymer electrolyte systems under controlled experimental conditions.
Electrochemical stability investigations: the strong C-F bonds of the fully fluorinated anion give good chemical and thermal resistance, so it suits stability window and degradation studies.
Comparative salt studies: the perfluorobutyl chain makes it a useful counterpart to more common lithium salts when evaluating how perfluoroalkyl chain length affects conductivity and electrode interface formation.

Brand	TCI (product code N0710)
CAS number	131651-65-5
Molecular formula	—
Purity	—
Category	Materials Science > Battery Materials > Battery Electrolytes
Pack sizes	25g
Physical form	see the TCI product specification sheet
Storage	keep tightly closed in a cool, dry place and protect from moisture

Keep Lithium Nonafluoro-1-butanesulfonate in its original, tightly sealed container in a cool, dry, well-ventilated area, away from moisture and incompatible substances. Because water can affect electrolyte performance, users preparing battery electrolytes should handle and weigh the salt in a dry environment such as a glovebox or dry room. Wear standard laboratory protective equipment, including gloves, safety glasses, and a lab coat. Avoid breathing in dust and avoid contact with skin and eyes. Read the TCI Safety Data Sheet before use, and dispose of fluorinated waste according to local regulations.

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