![](/CAS/GIF/143314-16-3.gif)
1-Ethyl-3-methylimidazolium tetrafluoroborate synthesis
- Product Name:1-Ethyl-3-methylimidazolium tetrafluoroborate
- CAS Number:143314-16-3
- Molecular formula:C6H11BF4N2
- Molecular Weight:197.97
![Sodium tetrafluoroborate](/CAS/GIF/13755-29-8.gif)
13755-29-8
456 suppliers
$6.00/25g
![1-Ethyl-3-methylimidazolium chloride](/CAS/GIF/65039-09-0.gif)
65039-09-0
309 suppliers
$8.00/5g
![1-Ethyl-3-methylimidazolium tetrafluoroborate](/CAS/GIF/143314-16-3.gif)
143314-16-3
259 suppliers
$6.00/5g
Yield:143314-16-3 94%
Reaction Conditions:
at 40; for 18 h;UV-irradiation;Wavelength;
Steps:
1.2; 1.3; 2.2; 2.3
(2) mixing the quaternary ammonium salt solution obtained in the step (1) with sodium tetrafluoroborate (the molar ratio of 1-methylimidazole to sodium tetrafluoroborate is 1:1), After heating to 40 ° C, Under agitation, Irradiation with ultraviolet light of 600 W/m2, The exposure time is 18h, a mixed solution containing a tetrafluoroborate ionic liquid; (3) filtering the mixture obtained in the step (2) twice, Get the filtrate, The filtrate was concentrated at 60 ° C. Remove ethanol, Obtaining 1-ethyl-3-methylimidazolium tetrafluoroborate ionic liquid, The yield was 94%. See Table 1 for the properties of the resulting ionic liquid.
References:
CN109734668,2019,A Location in patent:Page/Page column 9-10
![1-Ethyl-3-methylimidazolium bromide](/CAS/GIF/65039-08-9.gif)
65039-08-9
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![1-Ethyl-3-methylimidazolium tetrafluoroborate](/CAS/GIF/143314-16-3.gif)
143314-16-3
259 suppliers
$6.00/5g
![1-Methylimidazole](/CAS/GIF/616-47-7.gif)
616-47-7
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![Bromoethane](/CAS/20180906/GIF/74-96-4.gif)
74-96-4
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![1-Ethyl-3-methylimidazolium tetrafluoroborate](/CAS/GIF/143314-16-3.gif)
143314-16-3
259 suppliers
$6.00/5g
![1-Ethyl-3-methylimidazolium bromide](/CAS/GIF/65039-08-9.gif)
65039-08-9
332 suppliers
$9.00/10g
![Potassium tetrafluoroborate](/CAS/GIF/14075-53-7.gif)
14075-53-7
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$5.00/25g
![1-Ethyl-3-methylimidazolium tetrafluoroborate](/CAS/GIF/143314-16-3.gif)
143314-16-3
259 suppliers
$6.00/5g
![1-Ethyl-3-methylimidazolium chloride](/CAS/GIF/65039-09-0.gif)
65039-09-0
309 suppliers
$8.00/5g
![1-Ethyl-3-methylimidazolium tetrafluoroborate](/CAS/GIF/143314-16-3.gif)
143314-16-3
259 suppliers
$6.00/5g