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Administrative data

Endpoint:
partition coefficient
Type of information:
experimental study
Adequacy of study:
key study
Study period:
before 1993-10-28
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
other: information granted by ECHA on substance registered before more than 12 years
Title:
Unnamed

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.8 (Partition Coefficient)
Deviations:
not specified
GLP compliance:
yes
Type of method:
HPLC method
Partition coefficient type:
octanol-water

Test material

Constituent 1
Chemical structure
Reference substance name:
-
EC Number:
413-920-6
EC Name:
-
Cas Number:
88949-33-1
Molecular formula:
C30H20N2O2
IUPAC Name:
3,6-bis({[1,1'-biphenyl]-4-yl})-1H,2H,4H,5H-pyrrolo[3,4-c]pyrrole-1,4-dione

Study design

Analytical method:
high-performance liquid chromatography

Results and discussion

Partition coefficient
Type:
log Pow
Partition coefficient:
4.6
Temp.:
20 °C
pH:
ca. 7

Any other information on results incl. tables

pH value was not granted by ECHA; substance is not able to dissociate; we suppose that pH value was ca 7

Applicant's summary and conclusion