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Partition coefficient

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Endpoint:
partition coefficient
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
OECD Guideline 117 (Partition Coefficient (n-octanol / water), HPLC Method)
GLP compliance:
no
Type of method:
HPLC method
Partition coefficient type:
octanol-water
Type:
log Pow
Partition coefficient:
2.21
Remarks on result:
other: The temperature and pH that the study was conducted at is not reported.
Endpoint:
partition coefficient
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods with acceptable restrictions
Qualifier:
according to
Guideline:
other: ASTM 1147
GLP compliance:
no
Type of method:
HPLC method
Partition coefficient type:
octanol-water
Type:
log Pow
Partition coefficient:
2.5
Temp.:
25 °C
pH:
>= 6.4 - <= 7

Description of key information

log Pow 2.21 to 2.5 at pH ca. 5-8

(several materials were tested according to OECD 117 or ASTM 1147)

Key value for chemical safety assessment

Additional information

The reported values for the partition coefficient (Log Pow) for Tar acids, xylenol fraction and their constituents were in the range of 2.21 to 2.5 for pH ca. 5-8.