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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

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

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2016
Report date:
2016

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 117 (Partition Coefficient (n-octanol / water), HPLC Method)
GLP compliance:
yes (incl. QA statement)
Type of method:
HPLC method
Partition coefficient type:
octanol-water

Test material

Constituent 1
Chemical structure
Reference substance name:
1-[4-(4-chlorophenoxy)-2-(trifluoromethyl)phenyl]ethanone
EC Number:
813-142-0
Cas Number:
1417782-28-5
Molecular formula:
C15 H10 Cl F3 O2
IUPAC Name:
1-[4-(4-chlorophenoxy)-2-(trifluoromethyl)phenyl]ethanone
Test material form:
solid
Details on test material:
Name of test material (as cited in study report): "CPTAP" , Ethanone, 1-(4-(4-chlorophenoxy)-2-(trifluoromethyl)phenyl]-
Analytical purity: 96.27 % (as given by the sponsor);
IBatch identification: 01665-0428-3
Date of production (test item): Jul 14, 2016
Storage cond. test item: Room temperature, protection against light and humidity

Study design

Analytical method:
high-performance liquid chromatography

Results and discussion

Partition coefficient
Key result
Type:
log Pow
Partition coefficient:
4.1
Temp.:
23 °C
pH:
6.1
Remarks on result:
other: (pH value of the water used for the preparation of the eluent).

Any other information on results incl. tables

Individual Results

Component

tr[min]

(mean value out of two determinations)

ks

log ks

log Pow

Formamide

1.4

 

 

 

Ethylbenzoate

4.1

1.99

0.300

2.6

Toluene

4.9

2.59

0.413

2.7

Ethylbenzene

6.4

3.65

0.563

3.2

Cumene

8.1

4.90

0.690

3.7

n-Butylbenzene

12.8

8.33

0.920

4.6

Bibenzyl

11.0

6.95

0.842

4.8

DDT

26.4

18.14

1.259

6.5

Test item

8.6

5.27

0.722

4.1

Equation: log Pow = 4.1889 log k' + 1.0295

Result

log Pow = 4.1 at T = 23 °C and pH = 6.1 (pH value of the water used for the preparation of the eluent).

Solubility in n-octanol

Additionally the solubility of the test item in n-octanol was visually tested.

The solubility of the test item in n-octanol is >= 10.06 g/100 g < 0.80 g/100 g at T = 23 °C.

Applicant's summary and conclusion