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Diss Factsheets

Physical & Chemical properties

Water solubility

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2017-10-19 - 2017-10-27
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 105 (Water Solubility)
Version / remarks:
1995
Qualifier:
according to guideline
Guideline:
EU Method A.6 (Water Solubility)
Version / remarks:
2014
Principles of method if other than guideline:
acc. to OECD-Guideline No. 105 (1995) modified acc. to Letinski et al. (2002) and OECD 123 (2006)
GLP compliance:
yes (incl. QA statement)
Type of method:
flask method
Key result
Water solubility:
2.07 mg/L
Conc. based on:
test mat.
Temp.:
20 °C
pH:
5.4
Details on results:
The analytical method (GC-MS, external standard with internal standard corection) for the determination of the test item was validated and tested with satisfactory results in regard to linearity, accuracy, precision and specificity.

Water Solubility Results at 20 °C

Sampling

Incubation time
[h]

Calculated Concentration
[mg/L]

 

Replicate 1

Replicate 2

 

1

  94

2.06

2.02

2

  96

2.14

2.11

3

  98

2.11

2.08

4

118

2.03

2.07

5

120

2.06

2.10

6

122

2.09

2.00

Overall

 

Mean

2.08

2.07

2.07

 

Deviation [%]

5.3

5.3

0.8

Test Temperature during the Incubation Phase and the Definitive Testing (measured hourly)

Intended temperature

Measured temperature

[°C]

[°C]

 

Replicate 1

Replicate 2

20.0±0.5

Min.

19.93

20.00

Max.

20.08

20.09

Mean value

19.99

20.03

SD±

  0.05

  0.03

pH-Values at Test End

Replicate

pH‑Value

Mean

1

5.420

5.4

2

5.413

All samples were checked negative for a Tyndall effect verifying the absence of colloidal dispersed matter.

Conclusions:
The water solubility of the test item was determined to be 2.07 mg/L (pH 5.4) at 20 ± 0.5 °C.
Executive summary:

The test item has a water solubility of 2.07 mg/L (pH 5.4) at 20 +- 0.5°C as determined by flask method acc. to OECD-Guideline No. 105 (1995) modified acc. to Letinski et al. (2002) and OECD 123 (2006)

Description of key information

The test item has a water solubility of 2.07 mg/L (pH 5.4) at 20 +- 0.5°C as determined by flask methodacc. to OECD-Guideline No. 105 (1995) modified acc. to Letinski et al. (2002) and OECD 123 (2006).

Key value for chemical safety assessment

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

Additional information