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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:
2010-02-23 to 2010-03-24
Reliability:
1 (reliable without restriction)
Qualifier:
according to
Guideline:
OECD Guideline 105 (Water Solubility)
Version / remarks:
1995
Deviations:
no
Qualifier:
according to
Guideline:
EU Method A.6 (Water Solubility)
Version / remarks:
2008
Deviations:
no
Principles of method if other than guideline:
NA
GLP compliance:
yes (incl. certificate)
Type of method:
flask method
Key result
Water solubility:
46.3 mg/L
Temp.:
20 °C
pH:
6.6
Details on results:
The TBPEH concentrations were calculated with the help of the calibration equations.
The repeatability of the determination was <15% and thus within the range required by the guidelines.

Results of the determination of water solubility of TBPEH:

Sampling time

Measured concentration of TBPEH

(mg/L)

Measured pH

Test vessels

Mean with the 95% confidence intervals

After 24h

42.9

44.6 ± 3.89

6.67

46.0

6.74

44.9

6.78

After 48h

50.9

51.0 ± 0.56

6.85

50.9

6.64

51.3

6.71

After 72h

42.2

43.2 ± 2.74

6.42

43.2

6.65

44.4

6.53

Solubility of the test item (mg/L)

46.3 ± 10.33

-

RSD%

9

-

 

Conclusions:
In conclusion, the water solubility of tert.-Butylperoxy- 2-ethylhexanoat was determined to be 46.3 +/- 10.33 mg/L (95% confidence interval) at 20 ° C ± 1 °C using the shake-flask method.
Executive summary:

The solubility of tert.-Butylperoxy- 2-ethylhexanoat in water at 20 ± 1 °C was determined using the shake-flash method . The water solubility of tert.-Butylperoxy- 2-ethylhexanoat was determined to be 46.3 ± 2.40 mg/L (95% confidence interval) at 20 °C ± 1 °C using the shake-flask method for the performance of the main test.

Description of key information

Following EU-method A.6, the water solubility of tert.-Butylperoxy- 2-ethylhexanoat was determined to be 46.3 ± 2.40 mg/L (95% confidence interval) at 20 °C ± 1°C.

Key value for chemical safety assessment

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

Additional information