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Water solubility

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Reference
Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
16-24 Jan 2012
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.6 (Water Solubility)
GLP compliance:
not specified
Type of method:
flask method
Remarks:
EU test method L383 A/54-62
Water solubility:
0.57 g/L
Temp.:
20 °C
pH:
5.4 - 6.5
Details on results:
See the next section.

Study results:

Incubation time, h

Aliquot

Weighted sample, g

pH

Average concentration, g/L

24

1A

0.3069

6.4

0.56

1B

0.3128

6.5

48

2A

0.3002

5.4

0.57

2B

0.3045

6.1

72

3A

0.3158

6.3

0.59

3B

0.3243

6.1

The working range could be established over the whole calibration range from 9.82 to 982 mg/L with r2=0.9999. Due to the wide calibration range, quadratic fit was used.

In the course of the recovery experiment, an average recovery rate of 106 % was determined.

Description of key information

0.57 g/L at 20 °C, pH = 6.4-6.5 (EU Guideline A.6, flask method)

Key value for chemical safety assessment

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

Additional information

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