Registration Dossier
Registration Dossier
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EC number: 948-935-1 | CAS number: -
Water solubility
Administrative data
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- Experimental starting date: 21 February 2019 Experimental completion date: 09 March 2019
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 019
- Report date:
- 2019
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.6 (Water Solubility)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 105 (Water Solubility)
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- flask method
Test material
- Reference substance name:
- Benzenesulfonic acid, C10-24-branched and linear alkyl derivs., magnesium salts, overbased
- EC Number:
- 948-935-1
- Molecular formula:
- Molecular formula cannot be determined for this UVCB substance
- IUPAC Name:
- Benzenesulfonic acid, C10-24-branched and linear alkyl derivs., magnesium salts, overbased
Constituent 1
- Specific details on test material used for the study:
- Identification: T106D
Appearance/Physical state:amber brown viscous liquid
Chemical description:Magnesium long-chain alkaryl sulphonate
Batch:R18 14728
Purity:100% (UVCB)
Expiry date:08 October 2020
Storage conditions:room temperature, in the dark
Results and discussion
Water solubility
- Key result
- Water solubility:
- < 0.001 other: gTOC/L
- Temp.:
- 20 °C
- pH:
- >= 6.2 - <= 6.9
Any other information on results incl. tables
Results
Preliminary Test
The preliminary result of the water solubility at 20.0 ± 0.5 °C was less than 1 x 10-3gTOC/L. The solution had a pH of 6.7.
Definitive Test
The concentrations relating to the sample solutions are shown in the following table:
Solution |
Concentration (mgTOC/L) |
||
A |
B |
Mean |
|
Matrix blank |
0.2707 |
0.2443 |
0.2575 |
Sample 1 |
0.4925 |
0.5870 |
0.5398 |
Sample 2 |
0.5043 |
0.4862 |
0.4953 |
Sample 3 |
0.5844 |
0.5324 |
0.5584 |
The concentration (g/L) of test item in the sample solutions is shown in the following table:
Sample Number |
Time Shaken at ~ 30 ºC (hours) |
Concentration (gTOC/L) |
Solution pH |
1 |
24 |
2.82 x 10-4 |
6.9 |
2 |
48 |
2.38 x 10-4 |
6.6 |
3 |
72 |
3.01 x 10-4 |
6.2 |
Mean concentration: 2.74 x 10-4gTOC/L
at 20.0 ± 0.5 ºC
Overall result: <1
x 10-3gTOC/L
Applicant's summary and conclusion
- Conclusions:
- The water solubility of the test item has been determined to be less than 1 x 10E-3 gTOC/L of solution at 20.0 ± 0.5 °C.
- Executive summary:
The determination was carried out by the flask method, using a procedure designed to be compatible with Method A.6 Water Solubility of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 105 of the OECD Guidelines for Testing of Chemicals, 27 July 1995.
Conclusion
The water solubility of the test item has been determined to be less than 1 x 10-3 gTOC/L of solution at 20.0 ± 0.5 °C.
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