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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Study period:
2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with generally accepted scientific standards and described in sufficient detail

Data source

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

Materials and methods

Principles of method if other than guideline:
About 1 mg of sample was dissolved in a biphasic system of water and 1-octanol. The two phases were separated and UV-visible spectra of each phase were recorded by UV/vis spectrometer.
GLP compliance:
no
Type of method:
other: dissolution in water-octanol system and absorbance measurement of the two phases
Partition coefficient type:
octanol-water

Test material

Constituent 1
Chemical structure
Reference substance name:
6-cyclohexyl-1-hydroxy-4-methylpyridin-2(1H)-one, compound with 2-aminoethanol (1:1)
EC Number:
255-464-9
EC Name:
6-cyclohexyl-1-hydroxy-4-methylpyridin-2(1H)-one, compound with 2-aminoethanol (1:1)
Cas Number:
41621-49-2
Molecular formula:
C12H17NO2.C2H7NO
IUPAC Name:
6-cyclohexyl-1-hydroxy-4-methylpyridin-2(1H)-one, compound with 2-aminoethanol (1:1)
Test material form:
solid: particulate/powder

Results and discussion

Partition coefficient
Type:
log Pow
Partition coefficient:
0.52
Remarks on result:
other: Temperature and pH not available

Any other information on results incl. tables

ABS 1-octanol = 4.1730

ABS water = 1.2669

Log Pow= Log (ABS 1-octanol / ABS water)

Applicant's summary and conclusion

Conclusions:
LogPow of the Ciclopirox olamine is 0.52.