Registration Dossier
Registration Dossier
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EC number: 281-719-9 | CAS number: 84029-45-8
Partition coefficient
Administrative data
- Endpoint:
- partition coefficient
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2013
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: well performed OECD study but without GLP
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 013
- Report date:
- 2013
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 107 (Partition Coefficient (n-octanol / water), Shake Flask Method)
- Deviations:
- not specified
- GLP compliance:
- no
- Type of method:
- shake-flask method to: flask method
- Partition coefficient type:
- octanol-water
Test material
- Reference substance name:
- Sodium 4-(4-methyl-3-nitrobenzoylamino)benzenesulphonate
- EC Number:
- 281-719-9
- EC Name:
- Sodium 4-(4-methyl-3-nitrobenzoylamino)benzenesulphonate
- Cas Number:
- 84029-45-8
- Molecular formula:
- C14H12N2O6S.Na
- IUPAC Name:
- sodium 4-(4-methyl-3-nitrobenzoylamino)benzenesulphonate
- Details on test material:
- purity: 98,6 %
Constituent 1
Study design
- Analytical method:
- photometric method
Results and discussion
Partition coefficient
- Type:
- log Pow
- Partition coefficient:
- -1.94
- Temp.:
- 23 °C
- pH:
- > 7.3 - < 7.7
- Details on results:
- Results in detail:
determ. no. stock solution n-octanol test substance test substance log Pow
[ml] [ml] conc. in n-octanol conc. in water
phase (mg/L) phase (mg/L)
A1 5 10 8,3 712,7 -1,93
A2 5 10 8,5 711,9 -1,92
B1 10 10 7,8 711,3 -1,96
B2 10 10 7,7 715,9 -1,97
C1 20 10 8,7 725,2 -1,92
C2 20 10 8,6 725,7 -1,93
mean --- --- --- --- -1,94
Applicant's summary and conclusion
- Conclusions:
- The partition coefficient n-octanol/water of the substance is -1.94 at 23°C
- Executive summary:
The partition coefficient n-octanol/water of the substance was determined according to OECD guideline 107 (shake flask method). It was found to be -1.94 at 23°C.
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