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EC number: 947-890-5 | CAS number: -
Water solubility
Administrative data
Link to relevant study record(s)
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- From February 22, 2018 to March 17, 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- other: A5 Surface Tension of Commission Regulation (EC) No 440/2008 of 30 May 2008
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: Method 115 of the OECD Guidelines for the Testing of Chemicals, 27 July 1995
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- other: Ring method
- Key result
- Water solubility:
- 7.9 mg/L
- Conc. based on:
- test mat.
- Loading of aqueous phase:
- 306.2 mg/L
- Temp.:
- 20 °C
- Remarks on result:
- other: pH not specified
- Conclusions:
- Under the study conditions, the critical micelle concentration of the test substance was determined to be 7.9 mg/L at 20.0 ± 0.5 °C.
- Executive summary:
A study was conducted to determine the water solubility of the test substance using ring method, according to OECD Guideline 115 and EU Method A.5. Under the study conditions, the critical micelle concentration of the test substance was determined to be 7.9 mg/L at 20.0 ± 0.5°C (Envigo, 2018).
Reference
Results
The readings and temperatures for the sample solutions are shown in the following table:
Concentration (mg/L) |
Reading (mN/m) |
Temperature (°C) |
1.021 x 103 |
31.0 |
20.0 |
30.5 |
20.0 |
|
30.5 |
20.0 |
|
306.2 |
31.0 |
20.0 |
30.5 |
20.0 |
|
30.5 |
20.0 |
|
102.1 |
31.0 |
20.0 |
31.0 |
20.0 |
|
31.0 |
20.0 |
|
30.62 |
31.5 |
20.0 |
31.5 |
20.0 |
|
31.5 |
20.0 |
|
10.21 |
34.5 |
20.0 |
34.5 |
20.0 |
|
35.0 |
20.0 |
|
3.062 |
42.0 |
20.0 |
42.0 |
20.0 |
|
42.5 |
20.0 |
|
1.021 |
54.5 |
20.0 |
55.0 |
20.0 |
|
55.0 |
20.0 |
|
0.3062 |
71.0 |
20.0 |
71.0 |
20.0 |
|
71.0 |
20.0 |
|
0.1021 |
72.0 |
20.0 |
71.5 |
20.0 |
|
71.5 |
20.0 |
Theconcentration (mg/L), log10[concentration (mg/L)] and mean surface tension values for the sample solutions are shown in the following table:
Concentration |
Log10Concentration |
Mean Surface Tension (mN/m) |
Solution pH |
1.021 x 103 |
3.009 |
30.7 |
7.33 |
306.2 |
2.486 |
30.7 |
6.92 |
102.1 |
2.009 |
31 |
6.54 |
30.62 |
1.486 |
31.5 |
6.11 |
10.21 |
1.009 |
34.7 |
6.24 |
3.062 |
0.486 |
42.2 |
6.19 |
1.021 |
0.009 |
54.8 |
6.17 |
0.3062 |
-0.514 |
71.0 |
6.23 |
0.1021 |
-0.991 |
71.7 |
6.33 |
Description of key information
The water solubility was determined using the ring method according to OECD Guideline 115 and EU Method A.5 (Envigo, 2018).
Key value for chemical safety assessment
- Water solubility:
- 7.9 mg/L
- at the temperature of:
- 20 °C
Additional information
(CMC)
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
