Registration Dossier

Diss Factsheets

Physical & Chemical properties

Water solubility

Currently viewing:

Administrative data

Link to relevant study record(s)

Reference
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:
other: GLP 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 (migrated information): very soluble (> 10000 mg/L)
The water solubility of Cobalt Sulfate Monohydrate were determined to be at 20°C 376.7g/L (+/-7.7g/L) and 337.41g CoSO4/L and at 37°C 391.5g/L (+/-14.2g/L) and 350.74g CoSO4/L using the flask shaking method.

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.