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. 2020 Sep 18;25(18):4274. doi: 10.3390/molecules25184274

Table 5.

Physicochemical properties of selected methylimidazolium ionic liquids sorted by the cation [39].

Cation Anion Formula m.w g/mol m.t. °C Visc cP
25 °C
Visc cP
50 °C
MIM Cl C4H7ClN2 118.6 74 Solid Solid
NO3 C4H7N3O3 145.1 71 Solid Solid
MMIM Cl C5H9ClN2 132.6 126 Solid Solid
EMIM Cl C6H11ClN2 146.6 89 Solid Solid
SCN C7H11N3S 169.3 −6 29 12
Acetate
NO3
C8H14N2O2
C6H11N3O3
170.2
173.2
−2
39
144
Solid
39
N(CN)2Br C8H11N5
C6H11BrN2
177.2
191.1
−18
75
16
Solid
9
Solid
BF4 C6H11BF4N2 198 13 35 18
Alaninate C9H17N3O2 199.2 12 260 62
C(CN)3CH3SO3 C10H11N5
C7H14N2O3S
201.2
206.3
−9
25
15
167
7
47
CF3SO3HSO4 C7H11F3N2O3S
C6H12N2O4S
260.2
208.2
−14
19
43
1600
20
360
CH3SO4 C7H14N2O4S 222.3 −40 79 30
C2SO4 C8H16N2O4S 236.3 −37 98 35
C4SO4 C10H20N2O4S 264.3 −15 181 56
C6SO4C8SO4 C12H24N2O4S
C14H28N2O4S
292.4
320.5
−6
10
320
580
86,140
I C6H11IN2 238.1 78 Solid Solid
PF6 C6H11F6N2P 256.1 60 Solid Solid
AlCl4 C6H11AlCl4N2 280 6.5
TolSO3 C13H18N2O3S 282.4 50 Solid 240
AsF6 C6H11AsF6N2 300.1 53 Solid Solid
NTf2 C8H11F6N3O4S2 391.3 −17 33 16
N(SO2C2F5)2 C10H11F10N3O4S2 491.3 −1
EMMIM Br C7H13BrN2 205.1 141 Solid Solid
NTf2 C9H13F6N3O4S2 405.3 25 Solid
N(SO2C2F5)2 C11H13F10N3O4S2 505.3 25 Solid
PMIM Cl C7H13ClN2 160.6 62 Solid Solid
Br C7H13BrN2 205.1 28 Solid
BF4I C7H13BF4N2
C7H13IN2
212
252.1
−17
17
74 27
PF6 C7H13F6N2P 270.2 38 Solid
NTf2 C9H13F6N3O4S2 405.3 15 46 19
BMIM Cl C8H15ClN2 174.5 41 Solid 150
SCN C9H15N3S 197.3 −6 51 19
Acetate C10H18N2O2 198.3 −1 430 67
N(CN)2Br C10H15N5
C8H15BrN2
205.3
219.1
−5
75
42
Solid
19
Solid
BF4 C8H15BF4N2 226 −82 108 36
C(CN)3HSO4 C12H15N5
C8H16N2O4S
229.3
236.3
−20
28
34
Solid
12
ClO4 C8H15ClN2O4 238.7 8 180 57
CH3SO4 C9H18N2O4S
C10H15F3N2O2
250.3
252.2
−4
0
94
77
32
25
Trifluoroacetate
PF6 C8H15F6N2P 284.2 11 270 74
CF3SO3 C9H15F3N2O3S 288.3 14 80 31
Cyclohexyl sulfamate C14H27N3O3S 317.5 72.5 Solid Solid
FeCl4
C8SO4
C8H15Cl4FeN2
C16H32N2O4S
337
348.5
−12
24
41,870 18
152
NTf2 C10H15F6N3O4S2 419.4 −5 42 19
Isobutylmim
MMMMmim
NTf2
NTf2
C10H15F6N3O4S2
C10H15F6N3O4S2
419.4
419.4
−16
118
Solid Solid
BMIM Cl C9H17ClN2 188.7 93 Solid Solid
BF4 C9H17BF4N2 240.1 32 Solid 31
PF6 C9H17F6N2P 298.2 38 Solid
NTf2 C11H17F6N3O4S2 433.4 −6 350 34
Allylmim
Benzmim
N(CN)2Cl C9H11N5
C11H13ClN2
189.2
208.7
−20
14
20
3725
10
417
CH3SO4 C12H16N2O4S 284.3 18 4500 327
PF6 C11H13F6N2P 318.2 130 Solid Solid
C5mim PF6 C9H17F6N2P 298.2 16 380 97
NTf2 C11H17F6N3O4S2 433.4 −9 58 22
HMIM N(CN)2 C12H19N5 233.3 1 50 20
BF4I C10H19BF4N2
C10H19IN2
254.1
294.2
−82
30
200
Solid
58
246
PF6
CF3SO3
C10H19F6N2P
C11H19F3N2O3S
312.2
316.3
−61
25
480
Solid
120
47
NTf2 C12H19F6N3O4S2 447.4 −6 70 27