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EC number: 400-910-1 | CAS number: 119822-74-1
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:
- 09 July 1984 to 10 July 1984
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 107 (Partition Coefficient (n-octanol / water), Shake Flask Method)
- Deviations:
- not specified
- Qualifier:
- according to guideline
- Guideline:
- other: EEC TG A 3.8
- GLP compliance:
- yes
- Type of method:
- flask method
- Partition coefficient type:
- octanol-water
- Specific details on test material used for the study:
- Product: Monoazo Yellow HT 2025
Identification: FAT 20306/B
Storage: room temperature 20-24 °C - Analytical method:
- other: spectrophotometry
- Type:
- Pow
- Partition coefficient:
- 0.17
- Temp.:
- 25 °C
- pH:
- 6.3
- Type:
- log Pow
- Partition coefficient:
- -0.77
- Temp.:
- 25 °C
- pH:
- 6.3
- Details on results:
- Overall mean value of n = 6
- Conclusions:
- log Pow of FAT 20306/B was -0.77.
- Executive summary:
A guideline test was carried out with FAT 20306/B according to OECD guideline 107 using flask method. Based on the test results the octanol-water partition coefficient of the test material was determined to be -0.77 at 25 °C, indicating the substance is more water soluble than in n-octanol.
Reference
Description of key information
A guideline test was carried out with FAT 20306/B according to OECD guideline 107 using flask method. Based on the test results the octanol-water partition coefficient of the test material was determined to be -0.77 at 25 °C, indicating the substance is more water soluble than in n-octanol.
Key value for chemical safety assessment
- Log Kow (Log Pow):
- -0.77
- at the temperature of:
- 25 °C
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