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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

Partition coefficient

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Administrative data

Endpoint:
partition coefficient
Type of information:
experimental study
Adequacy of study:
key study
Study period:
14.10.2021 - 15.12.2021
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2021
Report date:
2021

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
EU Method A.8 (Partition Coefficient - HPLC Method)
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 117 (Partition Coefficient (n-octanol / water), HPLC Method)
Deviations:
no
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-[(2-chloro-4-nitrophenyl)azo]-2-naphthol
EC Number:
220-562-2
EC Name:
1-[(2-chloro-4-nitrophenyl)azo]-2-naphthol
Cas Number:
2814-77-9
Molecular formula:
C16H10ClN3O3
IUPAC Name:
1-[(2-chloro-4-nitrophenyl)diazenyl]-2-naphthol
Test material form:
solid: particulate/powder
Details on test material:
Batch no. 9A475
Purity >98

Study design

Analytical method:
high-performance liquid chromatography

Results and discussion

Partition coefficient
Key result
Type:
log Pow
Partition coefficient:
>= 5.16 - <= 6.14
Temp.:
23 °C
pH:
7.1

Applicant's summary and conclusion