ChemicalBook CAS DataBase List Lithium trifluoromethanesulfonate

Lithium trifluoromethanesulfonate synthesis

9synthesis methods

Product Name:Lithium trifluoromethanesulfonate
CAS Number:33454-82-9
Molecular formula:CF3LiO3S
Molecular Weight:156.01

A 316L stainless steel autoclave was charged with 1678 g of a 10.0% aqueous solution of lithium hydroxide and 424 g of calcium oxide, and the temperature was raised to 85 ° C, and the mixture was stirred for 3 hours. The reaction pressure was controlled by continuously feeding the trifluoromethane sulfonyl fluoride gas. The reaction time is 3.5 hours, then the reaction is kept for 3 hours, and then the temperature is lowered to 25 ℃. The reaction liquid is filtered to obtain the product lithium trifluoromethanesulfonate aqueous solution.

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Yield:33454-82-9 1001 g

Reaction Conditions:

with calcium oxide;lithium hydroxide in water; for 9.5 h;

Steps:

4 Example 4

A 316L stainless steel autoclave was charged with 1678 g of a 10.0% aqueous solution of lithium hydroxide and 424 g of calcium oxide, and the temperature was raised to 85 ° C, and the mixture was stirred for 3 hours. The reaction pressure was controlled by continuously feeding the trifluoromethane sulfonyl fluoride gas The reaction time is 3.5 hours, then the reaction is kept for 3 hours, and then the temperature is lowered to 25 DEG C; and the reaction liquid is filtered to obtain the air-dried product, which has the following characteristics: The lithium trifluoromethanesulfonate aqueous solution had a concentration of 40.05%, pH = 14 and F = 5 ppm, and the ICP detection was 0.3 ppm of Fe and 0.12 ppm of Ni. Fluoride ion concentration <10ppm, Fe <1ppm, Ni <1ppm, indicating that the reaction of 316L stainless steel corrosion, the method greatly reduces the corrosion of equipment, equipment can greatly extend the service life and maintenance costs.

References:

CN105693561,2016,A Location in patent:Paragraph 0030

80-06-8 Synthesis