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Physical & Chemical properties

Water solubility

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Reference
Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
The study was conducted between 23 October 2014 and 01 July 2015
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
OECD Guideline 105 (Water Solubility)
Deviations:
no
Qualifier:
according to
Guideline:
EU Method A.6 (Water Solubility)
Deviations:
no
Principles of method if other than guideline:
As per the above mentioned guidelines
GLP compliance:
yes
Type of method:
flask method
Specific details on test material used for the study:
None
Water solubility:
541 g/L
Conc. based on:
test mat.
Temp.:
20 °C
Remarks on result:
other: Greater than 35.1 % w/w of solution (equivalent to greater than 541 g/L of water) at 20 °C.
Details on results:
Overall result: Greater than 35.1 % w/w of solution (equivalent to greater than 541 g/L of water) at 20.0 ± 0.5 °C.

The sample concentration, observations and solution pH for each sample are shown in the following table:

Sample

Concentration

(% w/w)

Observations

Solution pH

1

5.3

Dark blue / black, very mobile liquid

5.6

2

24.7

Dark blue / black, very mobile liquid

*

3

50.3

Dark blue / black, highly viscous liquid, plus a large lump of undissolved material

*

4

10.2

Dark blue / black, very mobile liquid

4.9

5

15.0

Dark blue / black, very mobile liquid

4.8

6

20.0

Dark blue / black, very mobile liquid

5.0

7

30.0

Dark blue, highly mobile liquid

4.6

8

35.1

Dark blue / black, highly mobile liquid

4.3

9

40.0

Dark blue / black liquid. Significantly more viscous than Samples 7 and 8

*

* Not performed, typically due to lack of enough solution phase.

Conclusions:
The water solubility of the test item has been determined to be greater than 35.1 % w/w of solution (equivalent to greater than 541 g/L of water) at 20.0 ± 0.5 °C.
Executive summary:

The water solubility of the test substance was investigated in a study conducted according to OECD Guideline 105 and EU Method A.6. Flask method was used for this purpose. Based on the findings of the study, the water solubility of the test substance was determined to be greater than 35.1 % w/w of solution (equivalent to greater than 541 g/L of water) at 20.0 ± 0.5 °C.

Description of key information

The water solubility of the test substance was determined to be greater than 35.1 % w/w of solution (equivalent to greater than 541 g/L of water) at 20.0 ± 0.5 °C.

Key value for chemical safety assessment

Water solubility:
541 g/L
at the temperature of:
20 °C

Additional information

The water solubility of the test substance was investigated in a study conducted according to OECD Guideline 105 and EU Method A.6. Flask method was used for this purpose. Based on the findings of the study, the water solubility of the test substance was determined to be greater than 35.1 % w/w of solution (equivalent to greater than 541 g/L of water) at 20.0 ± 0.5 °C.