Registration Dossier
Registration Dossier
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EC number: 231-007-9 | CAS number: 7403-42-1
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:
- 20 to 24 March 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 105 (Water Solubility)
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Swiss Federal Office of Public Health
- Type of method:
- flask method
- Key result
- Water solubility:
- 810 mg/L
- Temp.:
- 20 °C
- pH:
- ca. 8.5
- Conclusions:
- A water solubility of 810 ± 1 mg/L (at 20 °C, pH ca. 8.5) was determined for the test substance according to OECD Guideline 105.
Reference
The R² fit of the calibration curve used was 0.9982. This reflects the linearity of the analytical system within the calibration range of 36.8 to 115 mg test item /L.
The following table summarizes the results of the water solubility test for the test item.
Sample No. |
Shaking time at 30 °C |
Equilibration time at 20 °C |
pH value of test item solution |
Determined concentration |
Water Solubility Mean Value |
Overall Mean ± Std. Dev. |
Rel. Std. Dev. |
|
[hours] |
[hours] |
|
[mg/L] |
[mg/L] |
[mg/L] |
[%] |
72-1 |
72 |
24 |
8.51 |
811 |
809 |
810 ± 1 |
0.2 |
72-2 |
72 |
24 |
8.34 |
806 |
|||
48-1 |
48 |
24 |
8.53 |
822 |
810 |
||
48-2 |
48 |
24 |
8.58 |
798 |
|||
24-1 |
24 |
24 |
8.51 |
813 |
811 |
||
24-2 |
24 |
24 |
8.52 |
810 |
Description of key information
Water solubility: 810 ± 1 mg/L at 20 °C, pH ca. 8.5 (OECD Guideline 105, flask method)
Key value for chemical safety assessment
- Water solubility:
- 810 mg/L
- at the temperature of:
- 20 °C
Additional information
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.
