Registration Dossier
Registration Dossier
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EC number: 221-728-7 | CAS number: 3214-47-9
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:
- January 25, 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 105 (Water Solubility)
- GLP compliance:
- no
- Type of method:
- flask method
- Key result
- Water solubility:
- 66.67 g/L
- Temp.:
- 20 °C
- pH:
- 8.27
- Remarks on result:
- other: Average solubility
- Details on results:
- PRELIMINARY SOLUBILITY RESULT
Reference samples and extract were first measured in the range 190 / 800 nm, so as to choose the right wavelength for quantitative measurements.
Since absorbance of the test solution kept the same proportions along the UV and visible spectra, preliminary test result was considered for the final results calculations. Wavelength chosen was 396.00 nm.
TEST RESULTS
Test 1 (24 hrs): 68.73 g/l
Test 2 (48 hrs): 62.59 g/l
Test 3 (96 hrs): 53.52 g/l
pH mother solution: 6.40
pH of satured solution: 8.27 - Conclusions:
- Average solubility: 66.67 g/l at 20 °C and pH 8.27
very soluble (> 10000 mg/L) - Executive summary:
Solubility was performed following the recommendations of the OECD method 105.
Since absorbance of the test solution kept the same proportions along the UV and visible spectra, preliminary test result was considered for the final results calculations. Wavelength chosen was 396.50 nm.
Test 1 (24 hrs): 68.73 g/l
Test 2 (48 hrs): 62.59 g/l
Test 3 (96 hrs): 53.52 g/l
pH mother solution: 6.40
pH of satured solution: 9.27
Conclusion
Average solubility: 66.67 g/l at 20 °C and pH 8.27
Reference
Description of key information
66.67 g/l at 20 °C and pH 8.27
Key value for chemical safety assessment
- Water solubility:
- 66.67 g/L
- at the temperature of:
- 20 °C
Additional information
Shake Flask method - OECD 105
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