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Diss Factsheets

Physical & Chemical properties

Water solubility

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
22 November - 10 December/2018
Reliability:
1 (reliable without restriction)
Qualifier:
according to guideline
Guideline:
EU Method A.6 (Water Solubility)
Version / remarks:
OECD 105
Deviations:
no
GLP compliance:
yes
Type of method:
flask method
Water solubility:
0.1 mg/L
Conc. based on:
test mat.
Loading of aqueous phase:
0.1 g/L
Incubation duration:
24 h
Temp.:
23 °C
pH:
7.6
Remarks on result:
other: Measured Aluminium concentration
Water solubility:
1.1 mg/L
Conc. based on:
test mat.
Loading of aqueous phase:
1 g/L
Incubation duration:
24 h
Temp.:
23 °C
pH:
9.7
Remarks on result:
other: Measured Aluminium concentration
Water solubility:
0.85 mg/L
Conc. based on:
test mat.
Loading of aqueous phase:
0.1 g/L
Incubation duration:
24 h
Temp.:
23 °C
pH:
7.6
Remarks on result:
other: Measured Boron concentration
Water solubility:
8.4 mg/L
Conc. based on:
test mat.
Loading of aqueous phase:
1 g/L
Incubation duration:
24 h
Temp.:
23 °C
pH:
9.7
Remarks on result:
other: Measured Boron concentration
Water solubility:
1.8 mg/L
Conc. based on:
test mat.
Loading of aqueous phase:
0.1 g/L
Incubation duration:
24 h
Temp.:
23
pH:
7.6
Remarks on result:
other: Measured Lithium concentration
Water solubility:
16 mg/L
Conc. based on:
test mat.
Loading of aqueous phase:
1 g/L
Incubation duration:
24 h
Temp.:
23
pH:
9.7
Remarks on result:
other: Measured Lithium concentration
Water solubility:
17 mg/L
Conc. based on:
test mat.
Loading of aqueous phase:
0.1 g/L
Incubation duration:
24 h
Temp.:
23 °C
pH:
7.6
Remarks on result:
other: Measured Tellurium concentration
Water solubility:
98 mg/L
Conc. based on:
test mat.
Loading of aqueous phase:
1 g/L
Incubation duration:
24 h
Temp.:
23 °C
pH:
9.7
Remarks on result:
other: Measured Tellurium concentration
Water solubility:
0.79 mg/L
Conc. based on:
test mat.
Loading of aqueous phase:
0.1 g/L
Incubation duration:
24 h
Temp.:
23
pH:
7.6
Remarks on result:
other: Measured Tungsten concentration
Water solubility:
7 mg/L
Conc. based on:
test mat.
Loading of aqueous phase:
1 g/L
Incubation duration:
24 h
Temp.:
23
pH:
9.7
Remarks on result:
other: Measured Tungsten concentration
Water solubility:
0.028 mg/L
Conc. based on:
test mat.
Loading of aqueous phase:
0.1 g/L
Incubation duration:
24 h
Temp.:
23 °C
pH:
7.6
Remarks on result:
other: Measured Zinc concentration
Water solubility:
0.73 mg/L
Conc. based on:
test mat.
Loading of aqueous phase:
1 g/L
Incubation duration:
24 h
Temp.:
23 °C
pH:
9.7
Remarks on result:
other: Measured Zinc concentration
Details on results:
24h
Conclusions:
Interpretation of results (migrated information): poorly soluble (0.1-100 mg/L)
Executive summary:

The concentrations found in the experiments with different loading rates were in different orders of
magnitude for all elements. Therefore, a dependency of the loading rate was observed.
According to the guideline OECD 105 the individual results from the experiments of with different
stirring times should not differ by more than 15 %. A reason may be an inhomogeneity of the present
test item. For the experiments with such a high deviation at different stirring times, a concentration
range was given instead of a mean value.


The test item is an inorganic compound. As a representative parameter for the solubility of the
complete test item, the concentration (cs) of Aluminum, Bor, Lithium, Tellur, Tungsten and Zinc in the
water extracts of the test item at 20 'C was determined based on the guideline 4.6. water solubility;
flask method of the European Commission Regulation (EC) No.440/2008 and No. 260/2014. The
water solubility of the test item showed a significant dependency on the loading rate.


Interpretation of results (migrated information): poorly soluble (0.1-100 mg/L)


 

Description of key information

Key value for chemical safety assessment

Water solubility:
0.01 mg/L
at the temperature of:
20 °C

Additional information

The test item is an inorganic compound. As a representative parameter for the solubility of the
complete test item, the concentration (cs) of Lead, Lithium, Magnesium, Sodium, Tellur, Tungsten
and Zinc in the water extracts of the test item at 20 'C was determined based on the guideline 4.6.
water solubility; flask-method of the European Commission Regulation (EC) No.44012008 and
No.260/2014.


Interpretation of results (migrated information): poorly soluble (0.1-100 mg/L)