Registration Dossier
Registration Dossier
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Reaction mass of Trisodium 4-({4-chloro-6-[(4-sulfonatophenyl)amino]-1,3,5-triazin-2-yl}amino)-2-{[1-ethyl-2-hydroxy-4-methyl-6-oxo-5-(sulfonatomethyl)-1,6-dihydropyridin-3-yl]diazenyl}benzenesulfonate and Trisodium 4-({4-chloro-6-[(3-sulfonatophenyl)amino]-1,3,5-triazin-2-yl}amino)-2-{[1-ethyl-2-hydroxy-4-methyl-6-oxo-5-(sulfonatomethyl)-1,6-dihydropyridin-3-yl]diazenyl}benzenesulfonate
EC number: 944-218-2 | CAS number: -
Water solubility
Administrative data
Link to relevant study record(s)
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- Experiment start date - 29 September 2015; Experiment completion date - 02 October 2015; Study completion date - 05 October 2015.
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 105 (Water Solubility)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.6 (Water Solubility)
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- flask method
- Specific details on test material used for the study:
- Identification: FAT 40000/I TE Lot: MC 13
Appearance: Yellowish-orange powder - Key result
- Water solubility:
- 366 g/L
- Conc. based on:
- test mat.
- Loading of aqueous phase:
- 330 g/L
- Temp.:
- 20 °C
- Remarks on result:
- other: pH is not available
- Conclusions:
- The water solubility of the test item at a temperature of 20 °C was determined to be 366 g/l.
- Executive summary:
The water solubility of test item was evaluated in a study conducted according to EU Method A.6 and OECD Guideline 105. Flask method was used for this purpose.
Based on the findings of the study, the water solubility of test item at 20 °C was determined to be 366 g/l.
Reference
Preliminary Visual Estimation of the Water Solubility
Amount of the test item in mg |
Total volume in ml |
Appearance of mixture |
1000 |
1 |
undissolved |
2 |
undissolved |
|
3 |
dissolved |
|
4 |
dissolved |
The preliminary visual experiments showed that the water solubility of the test item is above 330 g/l.
Flask-Method
Experiment |
A |
B |
C |
D (blank) |
Amountof test item[mg] |
2500 |
2500 |
2500 |
- |
Stirring time at 30°C [h] |
24 |
48 |
72 |
72 |
Measured concentration [µg/ml] |
4.43 |
4.61 |
4.69 |
- |
Dilution |
0.025ml/10ml/0.05ml/10ml |
0.025ml/10ml/ 0.05ml/10ml |
0.025ml/10ml/0.05ml/10ml |
- |
Water solubility [g/l] |
354 |
368 |
376 |
- |
Average experiments A to C: 366 g/l
Analytical concentration determination
Standard |
Measured concentration (µg/ml) |
% Recovery |
Sample C + 7.5 µg test item |
12.3 |
100.9 |
Description of key information
The water solubility of test item at 20 °C was determined to be 366 g/l.
Key value for chemical safety assessment
- Water solubility:
- 366 g/L
- at the temperature of:
- 20 °C
Additional information
The water solubility of test item was evaluated in a study conducted according to EU Method A.6 and OECD Guideline 105. Flask method was used for this purpose.
Based on the findings of the study, the water solubility of test item at 20 °C was determined to be 366 g/l.
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