Registration Dossier
Registration Dossier
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Reaction mass of Cobaltate(1-), bis[6-(amino-κN)-5-[2-[2-(hydroxy-κO)-4-nitrophenyl]diazenyl-κN1]-N-methyl-2-naphthalenesulfonamidato(2-)]-, sodium (1:1) and disodium [6-amino-5-[(2-hydroxy-4-nitrophenyl)azo]-N-methylnaphthalene-2-sulphonamidato(2-)][6-amino-5-[(2-hydroxy-4-nitrophenyl)azo]naphthalene-2-sulphonato(3-)]cobaltate(2-)
EC number: 943-062-2 | 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:
- Experimental Starting Date 04/28/2015 and Experimental Completion 04/30/2015
- 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:
- yes
- Type of method:
- flask method
- Specific details on test material used for the study:
- Identification: FAT 20036/G TE Lot. MH-0033439900
Appearance: Blue powder - Water solubility:
- 53.7 g/L
- Temp.:
- 20 °C
- Remarks on result:
- other: pH is not known
- Details on results:
- None
- Conclusions:
- The water solubility of the test item at a temperature of 20 °C was determined to be 53.7 g/L.
- Executive summary:
The water solubility of FAT 20036/G TE was evaluated in a study conducted according to OECD Guideline 105 and EU Method A.6. Flask method was used fot this purpose. Based on the findings of the study, the water solubility of the test item at a temperature of 20 °C was determined to be 53.7 g/L.
Reference
Preliminary Visual Estimation of the Water Solubility
Appearance of the test mixtures in the preliminary test.
| Amount of the test item in mg | Total volume in ml | Appearance of mixture |
| 100 | 1.0 | Undissolved |
| 100 | 2.5 | Dissolved |
| 100 | 5.0 | Dissolved |
The preliminary visual experiments showed that the water solubility of the test item is about 40 g/l.
Flask-Method
Water solubility of the test item – experiments A to D.
Experiment |
A |
B |
C |
D(blank) |
Amount of test item(mg) |
1000 |
1000 |
1000 |
--- |
Stirring time at 30 °C (h) |
24 |
48 |
72 |
72 |
Measured concentration (μg/ml) |
6.51 |
6.87 |
6.74 |
--- |
Aliquot |
0.025/10/0.5/10 |
0.025/10/0.5/10 |
0.025/10/0.5/10 |
0.025/10/0.5/10 |
Water solubility (g/l) |
52.1 |
55.0 |
53.9 |
--- |
Average experiments A to C: 53.7 g/L
Standard addition for recheck :
Standard |
Measured concentration (mg/l) |
% Recovery |
Sample C + 10.0 μg test item |
16.9 |
102.4 |
The recovery of 102.4 % indicates a sufficient accuracy of the analytical method.
Description of key information
The water solubility of FAT 20036/G TE was evaluated in a study conducted according to OECD Guideline 105 and EU Method A.6. Flask method was used fot this purpose. Based on the findings of the study, the water solubility of the test item at a temperature of 20 °C was determined to be 53.7 g/L.
Key value for chemical safety assessment
- Water solubility:
- 53.7 g/L
- at the temperature of:
- 20 °C
Additional information
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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