Registration Dossier
Registration Dossier
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EC number: 274-418-9 | CAS number: 70210-21-8
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:
- 29.10.-27.11.2015
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.6 (Water Solubility)
- Deviations:
- yes
- Remarks:
- See any other infrormation...
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- flask method
- Key result
- Water solubility:
- 139.49 g/L
- Conc. based on:
- test mat.
- Temp.:
- 20 °C
- pH:
- > 2.78 - < 2.91
- Conclusions:
- Interpretation of results: very soluble (> 10000 mg/L)The water solubility of the test substance Reactive orange 5 established by the flask method is 139,49 g/l.
- Executive summary:
Water solubility test was performed for the test substance Reactive Orange 5. Flask method was used.
Test was performed according to the Method A.6., Water Solubility, Council Regulation (EC) No.440/2008, Published in O.J. L 142, 2008.
The concentration of the test substance in the aqueous solution was determined by HPLC.
The water solubility of the test substance, Reactive Orange 5,established by the flask method is 139,49 g/L.
Reference
Table No.4: Average of 1st and 2nd determination of the test substance solubility in water by flask method.
Day | 1stmeasurement (g/L) | 2nd measurement | Average of 1stand 2nd measurement (g/L) |
1st | 136,85 | 142,13 | 139,49 |
Description of key information
The test was performed according to the Method A.6., Water Solubility. Flask method was used.
Only one study is available.
GLP study.
Klimish score 1.
Key value for chemical safety assessment
- Water solubility:
- 139 g/L
- at the temperature of:
- 20 °C
Additional information
Reactive Orange 5 is very soluble substance.
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