Registration Dossier
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EC number: 915-932-1 | CAS number: -
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:
- November 15, 2017 - November 21, 2017
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 107 (Partition Coefficient (n-octanol / water), Shake Flask Method)
- Deviations:
- yes
- Remarks:
- Due to the absence of a valid analytical method, the Pow was calculated based on individual solubilities in octanol and water.
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.8 (Partition Coefficient - Shake Flask Method)
- Deviations:
- yes
- Remarks:
- Due to the absence of a valid analytical method, the Pow was calculated based on individual solubilities in octanol and water.
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7550 (Partition Coefficient, n-octanol / H2O, Shake Flask Method)
- Deviations:
- yes
- Remarks:
- Due to the absence of a valid analytical method, the Pow was calculated based on individual solubilities in octanol and water.
- Principles of method if other than guideline:
- There was no valid analytical method so only the preliminary estimate could be made.
- GLP compliance:
- yes
- Type of method:
- flask method
- Partition coefficient type:
- octanol-water
- Specific details on test material used for the study:
- Composition: Reaction mass of dipotassium 3,3’-sulphonylbis(benzenesulphonate) and potassium 3-(phenylsulphonyl)benzenesulphonate
Purity: 92.8%
CAS# 63316-33-6 and 63316-43-8
Physical Description:White powder
Stability: Test substance was expected to be stable for the duration of testing.
Expiration Date: December 31, 2018 - Analytical method:
- analysis (not specified)
- Key result
- Type:
- log Pow
- Partition coefficient:
- ca. -1
- Temp.:
- 20 °C
- pH:
- 5.79
- Conclusions:
- The partition coefficient (Low Pow) was determined to be approximately -1.00
- Executive summary:
In a GLP guideline study conducted according to OPPTS 830.7550, OECD TG 107, and EC method A8, the partition coefficient (Log Pow) was determined to be approximately -1.00.
Reference
Partition Coefficient:
Water Solubility,g/L |
0.89 |
Octanol Solubility,g/L |
0.09 |
Pow |
0.101 |
log Pow |
-1.00 |
Pow = Octanol Sol. / Water Sol.
Description of key information
In a GLP guideline study conducted according to OPPTS 830.7550, OECD TG 107, and EC method A8, the partition coefficient (Log Pow) was determined to be approximately -1.00.
Key value for chemical safety assessment
- Log Kow (Log Pow):
- -1
- at the temperature of:
- 20 °C
Additional information
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