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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1988
Report date:
1988

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 107 (Partition Coefficient (n-octanol / water), Shake Flask Method)
Principles of method if other than guideline:
other: measured
GLP compliance:
no
Type of method:
shake-flask method to: flask method
Partition coefficient type:
octanol-water

Test material

Constituent 1
Chemical structure
Reference substance name:
Reaction mass of cyclohexanol and cyclohexanone
EC Number:
906-627-4
Molecular formula:
Unspecified
IUPAC Name:
Reaction mass of cyclohexanol and cyclohexanone
Details on test material:
Name of test material (as cited in study report): Anolone, a mixture containing 53.6 % (w/w) of cyclohexanol, 42.0 % (w/w) of cyclohexanone, and 4.4 % (w/w) unknown substances.
Analytical purity: pure

Results and discussion

Partition coefficient
Type:
log Pow
Partition coefficient:
1.05
Temp.:
25 °C
Remarks on result:
other: pH value not relevant. The test substance does not contain any ionic structure.

Any other information on results incl. tables

The partition coefficient of anolone-mixture:
-----------------------------------------
/ P(OW) / log P(OW) /
1. Weighed sample / 12.1 / 1.08 /
2. Weighed sample / 11.0 / 1.04 /
3. Weighed sample / 10.6 / 1.03 /

Mean / 11.2 / 1.05 /

Standard deviation +/- 0.7

The partition coefficient of anolone-mixture in 1-Octanol/Water at 25 °C: log Pow = 1.05


Partition ceofficient of cylohexanone:
----------------------------------------
/ P(OW) / log P(OW) /
1. Weighed sample / 8.3 / 0.92 /
2. Weighed sample / 7.3 / 0.87 /
3. Weighed sample / 6.4 / 0.80 /

Mean / 7.3 / 0.86 /

Standard deviation +/- 1.0

The partition coefficient of cylohexanone in 1-Octanol/Water at 25 °C: log Pow = 0.86


Partition ceofficient of cyclohexanol:
----------------------------------------
/ P(OW) / log P(OW) /
1. Weighed sample / 18.6 / 1.27 /
2. Weighed sample / 18.3 / 1.26 /
3. Weighed sample / 16.9 / 1.23 /

Mean / 17.9 / 1.25 /

Standard deviation +/- 0.9

The partition coefficient of cylohexanol in 1-Octanol/Water at 25 °C: log Pow = 1.25

Applicant's summary and conclusion