Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
activated sludge respiration inhibition testing
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP-study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1997

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 209 (Activated Sludge, Respiration Inhibition Test
Deviations:
yes
Remarks:
Instead of a centrifuged sludge a settled sludge was used
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
1-[2-chloro-4-(4-chlorophenoxy)phenyl]ethanone
EC Number:
601-639-3
Cas Number:
119851-28-4
Molecular formula:
C14H10Cl2O2
IUPAC Name:
1-[2-chloro-4-(4-chlorophenoxy)phenyl]ethanone

Test organisms

Test organisms (species):
other: Activated sludge collected from the sewage treatment plant of CH-4153 Reinach, Switzerland.

Study design

Limit test:
no
Total exposure duration:
3 h

Results and discussion

Effect concentrations
Duration:
3 h
Dose descriptor:
EC50
Effect conc.:
> 100 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
growth inhibition

Applicant's summary and conclusion