Registration Dossier
Registration Dossier
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EC number: 233-334-2 | CAS number: 10124-43-3
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:
- 2006-09-19 to 2006-12-04
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 105 (Water Solubility)
- Version / remarks:
- , 1995
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.6 (Water Solubility)
- Version / remarks:
- , 1992
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- signed 2005-11
- Type of method:
- flask method
- Water solubility:
- 376.7 g/L
- Temp.:
- 20 °C
- pH:
- >= 6 - <= 6.3
- Remarks on result:
- other: (+-7.7 g/L)
- Water solubility:
- 391.5 g/L
- Temp.:
- 37 °C
- pH:
- >= 6.19 - <= 6.32
- Remarks on result:
- other: (+-14.2 g/L)
- Details on results:
- The measured results differ by less than 15 % for each temperature. Therefore, the study is considered to be valid.
- Conclusions:
- Interpretation of results: very soluble (> 10000 mg/L)
The water solubility of Cobalt Sulfate Monohydrate were determined to be at 20 °C 376.7 g/L (+/-7.7 g/L) and 337.41 g CoSO4/L and at 37 °C 391.5g/L (+/-14.2 g/L) and 350.74 g CoSO4/L using the flask shaking method.
Reference
Description of key information
Water solubility of cobalt sulfate (monohydrate, guideline study results): 376.7 g/L at 20 °C and 391.5 g/L at 37 °C.
Key value for chemical safety assessment
- Water solubility:
- 376.7 g/L
- at the temperature of:
- 20 °C
Additional information
The water solubility of cobalt sulfate (monohydrate) was determined according to OECD guideline 105 with the flask method. During the study the water solubility of the test item was determined to be 376.7g/L at 20°C and 391.5g/L at 37°C. The pH values measured were in the range of 6 to 6.3.
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