Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 269-824-8 | CAS number: 68334-33-8
Water solubility
Administrative data
Link to relevant study record(s)
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- other: ASTME 1148-02
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- other: Critical micelle concentration
- Specific details on test material used for the study:
- - Purity: 100%
- Water solubility:
- 1.7 mg/L
- Temp.:
- 20 °C
- Remarks on result:
- other: ciritcal micelle concentration
- Conclusions:
- The critical micelle concentration of the test item was 1.7 mg/L at 20°C.
- Executive summary:
The Critical Micelle Concentration (CMC) was determined by measuring theturbidityof test item solutions at different test item concentrations in accordance with a method based on Method A2 of ASTM International E 1148-02. Twelve suspensions at target concentrations of 4.06, 8.13, 16.3, 32.5, 54.0, 117, 250, 506, 1013, 2495, 5014 and 10000 mg/L were tested in duplicate. The degree of turbidity was measured for each sample using a turbidity meter. The critical micelle concentration of the test item at 20.0 ± 0.1°C was 1.7 mg/L.
Reference
Turbidity of Test Item Solutions |
||
Nominal concentration [mg/L] |
Turbidity [NTU] |
Corrected turbidity1 [NTU] |
4.0625 |
0.365 |
0.27 |
4.0625 |
0.327 |
0.23 |
8.125 |
0.723 |
0.62 |
8.125 |
0.726 |
0.63 |
16.25 |
1.17 |
1.07 |
16.25 |
1.31 |
1.21 |
32.5 |
2.88 |
2.78 |
32.5 |
2.89 |
2.79 |
1Corrected for the mean turbidity of the blank samples. |
||
Description of key information
Method A2 of ASTM International E 1148-02
Key value for chemical safety assessment
- Water solubility:
- 1.7 mg/L
- at the temperature of:
- 20 °C
Additional information
Critical micelle concentration
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.
