Registration Dossier
Registration Dossier
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EC number: 228-846-8 | CAS number: 6362-80-7
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:
- Start of study: 6 May 2005. End of study: 31 May 2005
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Study performed according to guideline but GLP is not stated
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 105 (Water Solubility)
- GLP compliance:
- not specified
- Type of method:
- column elution method
- Water solubility:
- 0.23 mg/L
- Temp.:
- 20 °C
- pH:
- 6
- Conclusions:
- The solubility of 2,4-diphenyl-4-methyl-1-pentene as determined by the column elution method was 0.230 mg/L
Reference
Test results from column elution method:
Flow rate |
pH |
Solubility (mg/L) |
Standard deviation |
Maximum difference (%) |
||
Measured values |
Average |
Overall average |
||||
0.4 mL/min |
6.2 6.0 6.1 6.2 6.0 |
0.258 0.238 0.232 0.228 0.245 |
0.240 |
0.230 |
0.0120 |
21.3 |
0.2 mL/min |
5.9 6.1 6.0 6.0 6.0 |
0.250 0.225 0.203 0.208 0.214 |
0.220 |
0.0184
|
||
The test substance is known to be absorptive to glass, Teflon, polycarbonate and polypropylene instruments, and solubility was measured using glass collecting vessels, which have the lowest absorptivity. Because the test substance was stable in the solvent without adsorption, the collecting vessels used were washed with the solvent, which was used as the HPLC sample. As an additional test, water solubility was measured by the flask method. The result by the flask method gave a solubility of 0.179 mg/L, and no great difference from the result by the column elution method was seen
Test results from flask method:
Sample name |
Solubility (mg/L) |
Maximum difference (%) |
pH |
||
Measured value |
Average |
Standard deviation |
|||
Sample 1-a |
0.166 |
0.179 |
0.0115 |
15.0 |
6.3 |
Sample 1-b |
0.179 |
6.3 |
|||
Sample 2-a |
0.195 |
6.3 |
|||
Sample 2-b |
0.172 |
6.2 |
|||
Sample 3-a |
0.191 |
6.4 |
|||
Sample 3-b |
0.173 |
6.4 |
|||
Description of key information
A study performed according to OECD Guideline 105 (column elution method) gave a water solubility of 0.230 mg/L.
Key value for chemical safety assessment
- Water solubility:
- 0.23 mg/L
- at the temperature of:
- 20 °C
Additional information
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