Registration Dossier
Registration Dossier
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EC number: 835-183-3 | CAS number: 83420-16-0
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:
- comparable to guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 105 (Water Solubility)
- Type of method:
- flask method
- Specific details on test material used for the study:
- SOURCE OF TEST MATERIAL
- Source and lot/batch number of test material:
CNT20192013-20190709
STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material:
Ambient temperature (10-30°C), ventilation, avoid direct sunlight. - Key result
- Water solubility:
- < 0.02 mg/L
- Temp.:
- 20 °C
- pH:
- ca. 7
- Details on results:
- Specificity: No peak appears at the corresponding retention time of test item in chromatogram of blank samples.
The limit of detection (LOD): The minimum limit of detection of the method was 0.02 mg/L.
The limit of quantification (LOQ): The minimum limit of quantification of the method was 0.05 mg/L.
Linearity: The calibration curve was y=10766.2x-5820.18 (Range: 0.8-6.4 mg/L, R = 0.9996367, weighting: 1/x2).
Accuracy: The mean recovery at the concentration of 0.2 mg/L in ultrapure water was 112.4%, the relative standard deviation was 2.0%.
Precision: The recovery sample at the concentration of 0.2 mg/L was injected five times and the relative standard deviation (RSD) was 0.56%.
For the test groups that agitated for 24, 48, 72 hours, concentration of test item in flasks were all less than LOQ. The test results of 3 groups mentioned above were less than LOD of the method (0.02 mg/L). No observations arousing doubts concerning the accuracy of the results and the validity of the study were made. Therefore, the water solubility of the test item was less than 0.02 mg/L. - Conclusions:
- According to Guideline 105: Water Solubility, the water solubility of the test item was <0.02 mg/L at 20 °C.
Reference
Description of key information
According to Guideline 105: Water Solubility, the water solubility of the test item was <0.02 mg/L at 20 °C.
Key value for chemical safety assessment
- Water solubility:
- 0.02 mg/L
- at the temperature of:
- 20 °C
Additional information
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