Registration Dossier

Physical & Chemical properties

Partition coefficient

Currently viewing:

Administrative data

Link to relevant study record(s)

Reference
Endpoint:
partition coefficient
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1986-04-07 0 1896-04-07
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
OECD Guideline 107 (Partition Coefficient (n-octanol / water), Shake Flask Method)
Deviations:
no
GLP compliance:
no
Type of method:
estimation method (solubility ratio)
Partition coefficient type:
octanol-water
Analytical method:
photometric method
Key result
Type:
log Pow
Partition coefficient:
-1.597
Temp.:
20 °C
Remarks on result:
other: no pH-value given in the study-report, only that buffers are used

Results are presented in following table.

Mean of POE for

tests n°

9, 10, 11       0.0325

12, 13, 14       0.0213

15, 16, 17       0.0234

Mean for all tests is POE = 0.02573

Decimal logarithm of POE is log POE = - 1.5896

Mean of logarithms is log POE = - 1.5972

All values are into specifications (+ 0.3 logarithmic units around the mean)

Test N° Volume brought into Operation
ml
Ferbam brought into Operation (mg) Concentration found after Equilibrium mg/L Ferbam Recovered POE Log POE
Octanol
Soln. A
Buffer
Soln. B
In Octanol Phase In Buffer Phase mg %
9 10 30 0.954 1.095 31.45 0.955 100 0.0348 -1.4582
10 10 30 0.974 31.23 0.947 99.2 0.0312 -1.5060
11 10 30 0.981 31.17 0.944 99.05 0.0315 -1.5021
12 20 20 0.692 0.720 32.77 0.669 96.7 0.0220 -1.6581
13 20 20 0.686 33.27 0.679 98.1 0.0206 -1.6857
14 20 20 0.641 30.07 0.613 88.7 0.0213 -1.6710
15 30 10 0.376 0.805 34.28 0.367 97.6 0.0235 -1.6292
16 30 10 0.733 30.57 0.328 87.1 0.0240 -1.6202
17 30 10 0.778 34.30 0.364 96.6 0.0227 -1.6443
Conclusions:
The partition coefficient of ferbam was determined as log POE with a value of - 1.5972.
Executive summary:

The partition coefficient of ferbam was determined according OECD guideline for testing chemicals n° 107 as log POE with a value of - 1.5972.

Description of key information

The partition coefficient of ferbam was determined according OECD guideline for testing chemicals n° 107 as log POE with a value of - 1.5972.

Key value for chemical safety assessment

Log Kow (Log Pow):
-1.597
at the temperature of:
20 °C

Additional information