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Diss Factsheets

Administrative data

Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
01.09.2010
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010
Report date:
2010

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 105 (Water Solubility)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.6 (Water Solubility)
Deviations:
no
GLP compliance:
no
Other quality assurance:
ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
Type of method:
column elution method

Test material

Constituent 1
Reference substance name:
1,4-Benzenedicarboxylic acid, 1,4-diisononyl ester
EC Number:
700-453-0
Cas Number:
59802-05-0
Molecular formula:
C26H42O4
IUPAC Name:
1,4-Benzenedicarboxylic acid, 1,4-diisononyl ester
Test material form:
liquid

Results and discussion

Water solubility
Key result
Water solubility:
37 µg/L
Temp.:
20 °C
pH:
>= 4.1 - <= 4.8

Any other information on results incl. tables

Main test:

Sample no.

Sampling

time [h]

Mass of aqueous

sample [g]1)

Flow

rate

[mL/h]

Concentration

of the test item

[µg/L]

pH value

1

0.700

23.41

33.4

32

4.1

2

0.700

23.36

33.4

85 2)

4.8

3

0.700

23.29

33.3

32

4.8

4

0.746

24.80

33.3

31

4.8

5

0.740

24.71

33.4

35

4.8

6

1.500

23.47

15.6

25

4.8

7

1.504

23.46

15.6

25

4.8

8

1.506

23.50

15.6

35

4.8

9

1.500

23.46

15.6

45

4.8

10

1.506

23.55

15.6

42

4.8

11

0.701

23.21

33.1

34

4.8

12

0.742

24.61

33.2

34

4.8

13

0.717

23.67

33.0

36

4.8

14

0.700

23.27

33.2

38

4.8

15

0.717

23.65

33.0

67

4.8

1) density = 1 g/mL

2) This value was eliminated as an outlier for statistic evaluation because of a positive Grubbs Test

Set of successive

samples

Mean value

[µg/L]

Standard deviation

[µg/L]

Relative standard

deviation

[%]

Samples 1 to 5 and 11 to

15 (flow rate type 1)

38

11.2

29.8

Samples 6 to 10 (flow rate type 2)

34

9.3

27.1

   Flow rate type 1   Flow rate type 2  Mean value
 Water solubility [µg/L]  38  34  37

Applicant's summary and conclusion

Conclusions:
The water solubility of the test item was determined 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 [1992] with the column elution method.
Water solubility (at 20 °C): 37 µg/L