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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:
from 2018-11-26 to 2018-11-30
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 105 (Water Solubility)
Version / remarks:
27 July 1995
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.6 (Water Solubility)
Version / remarks:
19 March 2014
Deviations:
no
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7840 (Water Solubility)
Version / remarks:
March 1998
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
flask method
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Batch No.of test material: Lab NP_20171034-003
- Expiration date of the lot/batch: 2022-07-24

STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: room temperature

OTHER SPECIFICS:
white solid
Key result
Water solubility:
6.3 mg/L
Conc. based on:
test mat.
Incubation duration:
>= 24 - <= 72 h
Temp.:
20 °C
pH:
>= 6.57 - <= 7.09

Table 1: Results of the determination of water solubility of TH 15: Barium(2+) 12 hydroxyoctadecanoate

Sampling time

Measured concentration of the Test Item (mg/L )

Measured pH

Test vessels

Mean

After 24 h

7.74

6.8

6.78

5.51

6.61

7.16

6.67

After 48 h

5.17

5.6

6.78

5.37

6.90

6.34

6.57

After 72 h

6.50

6.4

6.86

5.37

7.09

7.44

6.76

Solubility of the test item (mg/L) with the 95 % confidence interval:

6.3 ± 1.5

-

RSD%:

10

-

The repeatability of the determination was < 15 % and thus within the range required by the guidelines.

Conclusions:
The water solubility of TH 15: Barium(2+) 12-hydroxyoctadecanoate was determined to be 6.3 ± 1.5 mg/L (95 % confidence interval) at 20 ± 0.5 °C using the shake-flask method.
Executive summary:

The water solubility was determined according to OECD 105, Regulation (EC) No. 440/2008 method A.6 and OPPTS 830.7840 using the shake flask method. Concentration was determined based on the measured barium content using ICP-OES method. The water solubility of the test item was determined to be 6.3 ± 1.5 mg/L (95 % confidence interval) at 20 °C ± 0.5 °C using the shake-flask method.

Description of key information

The water solubility was determined to be 6.3 ± 1.5 mg/L (95 % confidence interval) at 20 ± 0.5 °C using the shake-flask method.

Key value for chemical safety assessment

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

Additional information

The water solubility was determined according to OECD 105, Regulation (EC) No. 440/2008 method A.6 and OPPTS 830.7840 using the shake flask method. Concentration was determined based on the measured barium content using ICP-OES method. The water solubility of the test item was determined to be 6.3 ± 1.5 mg/L (95 % confidence interval) at 20 °C ± 0.5 °C using the shake-flask method.