Registration Dossier

Administrative data

Endpoint:
partition coefficient
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2012
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2012
Report Date:
2012

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 107 (Partition Coefficient (n-octanol / water), Shake Flask Method)
GLP compliance:
not specified
Type of method:
flask method
Partition coefficient type:
octanol-water

Test material

Reference
Name:
Unnamed
Type:
Constituent

Study design

Analytical method:
photometric method

Results and discussion

Partition coefficient
Type:
log Pow
Partition coefficient:
2.97
Temp.:
23 °C
pH:
ca. 7.9

Any other information on results incl. tables

Table 1: Results in detail

determ. no.

stock solution [ml]   n-octanol[ml]     test substance conc. in n-octanol phase [mg/l]    test substance conc. in water phase [mg/l]  log Pow  
  A1  5   10 1122,9  0,75  3,18 
  A2  5    10  1103,6  0,81  3,14 
  B1  10   10 1121,5 1,18  2,98 
  B2  10   10  1110,3  1,21  2,96 
 C1  20   10 1112,4  1,96  2,75 
 C2  20   10 1100,1  1,77  2,79

  mean

 ---    ---  ---   ---  2,97 

Stock solution: 1277 mg/l

Conc. of filtered stock solution: 1129 mg/l

Applicant's summary and conclusion

Conclusions:
The LogKow of this test substance is 2.97.