Registration Dossier
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EC number: 260-152-0 | CAS number: 56396-10-2
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:
- The study was conducted between 13 September 2000 and 7 December 2000.
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 105 (Water Solubility)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.6 (Water Solubility)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- flask method
- Specific details on test material used for the study:
- Identity: ST463.
Appearance: magenta powder
Storage conditions: room temperature
Batch number: 6558
Expiry date: August 2001
Purity: 99.4%
Date received: 1 August 2000 - Key result
- Water solubility:
- < 0.1 mg/L
- Conc. based on:
- test mat.
- Incubation duration:
- 24 h
- Temp.:
- 20 °C
- pH:
- >= 6.1 - <= 6.8
- Details on results:
- The detector calibration was found to be linear over the range 0 to 5 mg/l of standard solutions in dimethyl sulphoxide with a regression coefficient of 1.0000.
The table 'measurements of water solubility at 20°C' presents a summary of the results of the test and shows that the water solubility of ST463 is less than 0.1 mg/l as sample absorbance values were lower than that of the lowest calibration standard. - Conclusions:
- The water solubility of test substane was found to be less than 0.1 mg/l.
- Executive summary:
The water solubility of the test substance was determined using the flask method. The study was conducted to EEC Method A6 and OECD Method No. 105.
The water solubility of test substance was found to be less than 0.1 mg/l.
Reference
Measurements of water solubility at 20°C
Sample Identity |
Time (days) |
Absorbance |
Concentration (mg/l) |
Mean Concentration (mg/l) |
pH |
|
Held at 30°C |
Equilibrated at 20°C |
|||||
1A, 1B |
1 |
1 |
0.009, 0.008 |
<0.1, <0.1 |
<0.1 |
6.4, 6.8 |
2A, 2B |
2 |
1 |
0.001, 0.000 |
<0.1, <0.1 |
<0.1 |
6.7, 6.4 |
3A, 3B |
3 |
1 |
0.000, 0.000 |
<0.1, <0.1 |
<0.1 |
6.1, 6.1 |
Water solubility = < 0.1 mg/l
Description of key information
The water solubility of the test substance was determined using the flask method. The study was conducted to EEC Method A6 and OECD Method No. 105.
The water solubility of test substance was found to be less than 0.1 mg/l.
Key value for chemical safety assessment
- Water solubility:
- 0.1 mg/L
- at the temperature of:
- 30 °C
Additional information
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