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Diss Factsheets

Administrative data

Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Study starting date: 24.05.2018; Experimental starting date: 24.05.2018; Experimental completion date: 29.05.2018; Study completion date: 30.05.2018
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018
Report date:
2018

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 105 (Water Solubility)
Version / remarks:
1981
Deviations:
no
GLP compliance:
no
Type of method:
flask method

Test material

Constituent 1
Chemical structure
Reference substance name:
1-ethyl-3-methyl-1H-imidazol-3-ium; trifluoro[(trifluoromethanesulfonylazanidyl)sulfonyl]methane
EC Number:
700-235-5
Cas Number:
174899-82-2
Molecular formula:
C8H11F6N3O4S2
IUPAC Name:
1-ethyl-3-methyl-1H-imidazol-3-ium; trifluoro[(trifluoromethanesulfonylazanidyl)sulfonyl]methane
Test material form:
liquid
Details on test material:
clear liquid, colorless
Specific details on test material used for the study:

SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: proionic GmbH; 25PI208_12
- Expiration date of the lot/batch: 05/2019
- Purity test date: 99.84%wt (HPLC); 99.95 %wt (IC)


STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: room temperature
- Stability under test conditions: stable



Results and discussion

Water solubility
Key result
Water solubility:
>= 19 - <= 21.06 g/L
Conc. based on:
test mat.
Loading of aqueous phase:
0.19 other: g/g
Incubation duration:
24 h
Temp.:
30 °C
pH:
>= 5.7 - <= 5.88

Any other information on results incl. tables

Measured data and calculated solubility

flask no.

area EMIM+ [mAU*min]

amount EMIM+ [µg/ml]

amount EMIM-TFSI [µg/ml]

dilution factor

solubility of EMIM-TFSI in H2O [g/l]

pH of aqueous phase

flask 0

7,854

5,477

19,28

1:1000

19,3

5,7

8,169

5,696

20,05

1:1000

20,0

81,354

55,144

194,10

1:100

19,4

flask 1

8,250

5,752

20,25

1:1000

20,2

5,75

8,345

5,818

20,48

1:1000

20,5

84,226

57,029

200,74

1:100

20,1

flask 2

81,160

55,016

193,65

1:100

19,4

5,81

81,362

55,149

194,12

1:100

19,4

flask 3

95,314

64,275

226,24

1:100

22,6

5,88

94,569

63,790

224,54

1:100

22,5

Applicant's summary and conclusion

Executive summary:

The objective of the study was to determine the water solubility of the test substance “1-Ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide” for regulatory purposes.

 

The determination of the water solubility was according to the OECD test guideline 105.

 

Results:

A water solubility of 20.3 ± 1.3 g/l was determined over a time period of 72h.