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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:
Study initiation date: 24 June 2009 Study completion date: 28 October 2009
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 105 (Water Solubility)
Qualifier:
according to guideline
Guideline:
EU Method A.6 (Water Solubility)
GLP compliance:
yes
Type of method:
column elution method
Water solubility:
2 mg/L
Temp.:
20 °C
pH:
4.4
Details on results:
The purified water used for the tests had a pH value of 4.4.
For further information, see section "Any other information on results incl. tables"!

Details on results:

Sample no.

Sampling
time

[h]

Mass of
aqueous
sample

[g]1)

Flow
rate

[ml/h]

Analysed
carbon con-
centration
[mg/I]

Concentra-
tion of the
test item2)
[mg/I]

pH value3)

1

0.750

24.24

32.3

1.2

1.53

4.4

2

0.750

24.25

32.3

1.0

1.28

4.4

3

0.750

24.21

32.3

1.9

2.42

4.4

4

0.758

24.59

32.4

1.3

1.66

4.4

5

0.753

24.44

32.5

2.1

2.68

4.4

 

 

 

 

 

 

 

6

1.500

26.47

17.7

1.4

1.79

4.4

7

1.500

26.46

17.6

1.7

2.17

4.4

8

1.516

26.53

17.5

2.0

2.55

4.4

9

1.500

26.34

17.6

1.9

2.42

4.4

10

1.500

26.76

17.8

1.9

2.42

4.4

1) density = 1 g/ml

2) calculated from the carbon concentration of the sample solutions and the carbon content of the pure test item (78.44 %)

3) The purified water used for the tests had a pH value of 4.4.

Set of five successive samples

Mean value

Standard deviation

Relative standard
deviation

 

[mg/I]

[mg/I]

[%]

Samples 1 to 5 (flow rate type 1)

1.91

0.60

31.53

Samples 6 to 10 (flow rate type 2)

2.27

0.30

13.29

In the first and second set of five successive samples (at two different flow rates) the relative standard deviation (repeatability) was slightly larger than 30 % and considerably smaller than 30 %, respectively. Due to the small concentrations close to the limit of quantification of the analytical method and due to the good repeatability of the second set of samples the data are reliable. Thus the

test was satisfactory.

==> Water solubility of n/i-C13/C15-Aldehyde (overall mean): 2 mg/L

The test item remaining on the quartz sand was 0.8 %. This amount would be sufficient to saturate 14.8 l of water.

Conclusions:
Interpretation of results (migrated information): slightly soluble (0.1-100 mg/L)
Water solubility (at 20°C): 2 mg/L
Executive summary:

The water solubility of the test item was determined compliant with GLP according to OECD guideline no. 105 [adopted on 27 July 1995] and EU test method A.6 [Directive 92/69/EEC, Official Journal L 383 A 1992] with the column elution method.

Water solubility (at 20°C): 2 mg/L

Description of key information

Water solubility (OECD 105 / EU A.6 - HPLC method):
Water solubility (at 20°C): 2 mg/L

Key value for chemical safety assessment

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

Additional information

The water solubility of the test item was determined compliant with GLP according to OECD guideline no. 105 [adopted on 27 July 1995] and EU test method A.6 [Directive 92/69/EEC, Official Journal L 383 A 1992] with the the column elution method Water solubility (at 20°C): 2 mg/L