Registration Dossier
Registration Dossier
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EC number: 429-320-2 | CAS number: 24748-23-0
Partition coefficient
Administrative data
Link to relevant study record(s)
- Endpoint:
- partition coefficient
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- April - May 1997
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Well conducted GLP study according to OECD Guideline 117, composition known.
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 117 (Partition Coefficient (n-octanol / water), HPLC Method)
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- HPLC method
- Partition coefficient type:
- octanol-water
- Analytical method:
- high-performance liquid chromatography
- Type:
- log Pow
- Partition coefficient:
- 4.84
- Temp.:
- 20 °C
- Remarks on result:
- other: No information on pH was given
- Conclusions:
- The partition coefficient of 3,6,9-Triethyl-3,6,9-trimethyl-1,4,7-triperoxonane log Pow is 4.84.
- Executive summary:
Well described GLP stydy, according to OECD guideline.
Substances having a log Powgreater than 3 are regarded as having the potential to bioaccumulate in the environment.
The partition coefficient of 3,6,9-Triethyl-3,6,9-trimethyl-1,4,7-triperoxonane log Pow is 4.84.
Reference
Preliminary estimate
Approximate solubility in n-octanol >5.0 x 105mg/I
Approximate solubility in water 26.9 mg/I
Approximate Pow > 1.87 x 104
Log10Pow >4.3
Definitive test
Calibration
The retention times of thiourea and the r eference standards are shown in Tables 7.2
and 7.3 respectively.below
The capacity factors (k) and log10Pow values for the reference standards are shown in Table 7.4.
The calibration curve is in the attachment.
Partition coefficient of sample
The retention times, capacity factors and log10Pow values determined for the sample are shown in Table 7.5.
Table 7.5
Injection |
Retention time (mins) |
Capacity factor (k) |
Log10k |
Log10Pow |
1 |
22.473 |
8.653 |
0.937 |
4.84 |
2 |
22.458 |
8.647 |
0.937 |
4.84 |
Mean log10Pow=4.84
Partition coefficient=6.84 x 104
Description of key information
The partition coefficient of 3,6,9-Triethyl-3,6,9-trimethyl-1,4,7-triperoxonane log Pow is 4.84.
Key value for chemical safety assessment
- Log Kow (Log Pow):
- 4.84
- at the temperature of:
- 20 °C
Additional information
Substances having a log Powgreater than 3 are regarded as having the potential to bioaccumulate in the environment.
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