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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2012
Reliability:
1 (reliable without restriction)

Data source

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

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 117 (Partition Coefficient (n-octanol / water), HPLC Method)
Deviations:
not specified
GLP compliance:
not specified
Type of method:
HPLC method
Partition coefficient type:
octanol-water

Test material

Constituent 1
Chemical structure
Reference substance name:
N-[2-amino-4-(4-methyl-6-oxo-1,4,5,6-tetrahydropyridazin-3-yl)phenyl]-4-methoxybenzamide
EC Number:
616-054-9
Cas Number:
74149-74-9
Molecular formula:
C19 H20 N4 O3
IUPAC Name:
N-[2-amino-4-(4-methyl-6-oxo-1,4,5,6-tetrahydropyridazin-3-yl)phenyl]-4-methoxybenzamide
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder
Details on test material:
brown odorless powder

Results and discussion

Partition coefficient
Type:
log Pow
Partition coefficient:
-0.1
Temp.:
25 °C
Remarks on result:
other: temperature range 20 - 30 °C

Applicant's summary and conclusion

Conclusions:
logPow = -0.1
Executive summary:

The test product Aminopyridazinone has a partition coefficient (logPow, n-octanol/water) of -0.10.