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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:
16-Apr-2015 to 24-Sep-2015
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Reference:
Composition 1
Qualifier:
according to
Guideline:
OECD Guideline 105 (Water Solubility)
Qualifier:
according to
Guideline:
EU Method A.6 (Water Solubility)
GLP compliance:
yes (incl. certificate)
Remarks:
Staatliches Gewerbeaufsichtsamt Hildeshelm
Type of method:
flask method
Remarks:
slow stirring, with GC-MS
Test material information:
Composition 1
Key result
Water solubility:
17.1 mg/L
Temp.:
20 °C
pH:
7

Results

 

Water Solubility Results at 20 °C, pH = 7

Sampling of equilibrium

Time after Application [h]

Calculated Concentration

[mg/L] 1)

 

Replicate 1

Replicate 2

 

1

24.1

17.4

16.7

 

2

26.1

16.7

16.8

 

3

28.1

17.0

16.7

 

4

48.1

18.2

18.8

 

5

50.1

18.8

18.6

 

6

52.1

20.33)

18.9

 

7

96.1

15.0

15.4

 

8

98.1

15.7

15.8

 

9

100.1

24.43)

23.23)

Overall

 

Mean

17.0

17.2

17.1

 

Deviation (%)

251)

231)

1.52)

 

SD = Standard deviation

CV = Coefficient of variation

Calc Conc. = Calculated concentration, dilution factor of 10 taken into account

1) = Calculation according to formula (1)

2) = Calculation according to formula (2)

3) = Determined to be an outlier via GRUBBS-test, not taken into further accounts. 

Conclusions

The water solubility of the test item was determined at 20 °C and pH 7 to be 17.1 mg/L.

Conclusions:
A water solubility value of 17.1 mg/L (at 20 °C, pH 7) was determined for the test substance according to E.U. Method A.6.

Description of key information

Water solubility: 17.1 mg/L at 20 °C, pH 7 (EU Method A.6, slow stirring flask method, GC-MS)

Key value for chemical safety assessment

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

Additional information

A water solubility value of 17.1 mg/L (at 20 °C, pH 7) was determined for the test substance according to E.U. Method A.6.