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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:
6 July 2006 to 15 August 2006
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 105 (Water Solubility)
Deviations:
not specified
Qualifier:
according to guideline
Guideline:
EU Method A.6 (Water Solubility)
Deviations:
not specified
GLP compliance:
yes (incl. QA statement)
Remarks:
Ministerium für Umwelt und Naturschutz, Landwirtschaft und Verbraucherschutz, Düsseldorf, Nordrhein-Westfalen, Germany
Type of method:
flask method
Water solubility:
0.082 g/L
Conc. based on:
test mat.
Loading of aqueous phase:
0.71 g/L
Incubation duration:
72 h
Temp.:
10 °C
pH:
7
Water solubility:
0.084 g/L
Conc. based on:
test mat.
Loading of aqueous phase:
0.692 g/L
Incubation duration:
48 h
Temp.:
10 °C
pH:
6.9
Water solubility:
0.083 g/L
Conc. based on:
test mat.
Loading of aqueous phase:
0.687 g/L
Incubation duration:
24 h
Temp.:
10 °C
pH:
7
Key result
Water solubility:
0.117 g/L
Conc. based on:
test mat.
Loading of aqueous phase:
0.699 g/L
Incubation duration:
72 h
Temp.:
20 °C
pH:
7
Water solubility:
0.118 g/L
Conc. based on:
test mat.
Loading of aqueous phase:
0.734 g/L
Incubation duration:
48 h
Temp.:
20 °C
pH:
7.1
Water solubility:
0.117 g/L
Conc. based on:
test mat.
Loading of aqueous phase:
0.702 g/L
Incubation duration:
24 h
Temp.:
20 °C
pH:
7.1
Water solubility:
0.198 g/L
Conc. based on:
test mat.
Loading of aqueous phase:
0.726 g/L
Incubation duration:
72 h
Temp.:
30 °C
pH:
7.2
Water solubility:
0.201 g/L
Conc. based on:
test mat.
Loading of aqueous phase:
0.717 g/L
Incubation duration:
48 h
Temp.:
30 °C
pH:
7.2
Water solubility:
0.198 g/L
Conc. based on:
test mat.
Loading of aqueous phase:
0.709 g/L
Incubation duration:
24 h
Temp.:
30 °C
pH:
7.1

Individual and Final Results – Water Solubility

Test at 10 °C

Flask 1

Flask 2

Flask 3

Mean value

Water solubility of Chlorophene

0.0817g/L

0.0840g/L

0.0833g/L

0.0830 g/L

pH-value

7.0

6.9

7.0

----

Test at 20 °C

Flask 1

Flask 2

Flask 3

Mean value

Water solubility of Chlorophene

0.117g/L

0.118g/L

0.117g/L

0.117g/L

pH-value

7.0

7.1

7.1

----

Testat 30 °C

Flask 1

Flask 2

Flask 3

Mean value

Water solubility of Chlorophene

0.198g/L

0.201g/L

0.198g/L

0.199 g/L

pH-value

7.2

7.2

7.1

----

      NOTE: Preliminary test at 20 °C: 0.12 g/L

 

Conclusion:

A temperature dependence of the solubility of Chlorophene was observed. Between 10 °C and 30 °C an increase of the solubility in all test solutions from 0.08 g/L to 0.2 g/L was detected.

 

Description of key information

Water solubility is 0.0830 g/L at 10 ºC, 0.117 g/L at 20 ºC, and 0.199 g/L at 30 ºC (EU A.6, flask method).

Key value for chemical safety assessment

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

Additional information