Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Water solubility

Currently viewing:

Administrative data

Link to relevant study record(s)

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)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 105 (Water Solubility)
Version / remarks:
1995
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.6 (Water Solubility)
Version / remarks:
2008
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
flask method
Key result
Water solubility:
14.2 mg/L
Temp.:
20 °C
pH:
6.6
Details on results:
The tert-Butylperoxy-3,5,5-trimethylhexanoat 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 TBPIN:

Sampling time

Measured concentration of TBPIN (mg/L )

Measured pH

Test vessels

Mean with 

the 95% confidence intervals

After 24h

14.7

15.0 ± 0.71

6.58

15.1

6.53

15.2

6.49

After 48h

12.5

14.4 ± 4.21

6.78

14.9

6.72

15.8

6.75

After 72h

12.3

13.1 ± 2.05

6.52

13.0

6.55

14.0

6.56

Solubility of the test item (mg/L)

14.2 ± 2.40

-

RSD%

7

-

Conclusions:
In conclusion the water solubility of tert-Butylperoxy-3,5,5-trimethylhexanoat was determined to be 14.2 ± 2.40 mg/L (95% confidence interval) at 20 °C ± 1 °C using the shake-flask method for the performance of the main test.
Executive summary:

The solubility of tert-Butylperoxy-3,5,5-trimethylhexanoat is in water at 20 ± 1 °C was determined using the shake-flash method. The water solubility of tert-butyl 3,5,5-trimethylperoxyhexanoate was determined to be 14.2 ± 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-3,5,5-trimethylhexanoat was determined to be 14.2 ± 2.40 mg/L (95% confidence interval) at 20 °C ± 1 °C.

Key value for chemical safety assessment

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

Additional information