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Diss Factsheets

Administrative data

Endpoint:
activated sludge respiration inhibition testing
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2003
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2003
Report date:
2003

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 209 (Activated Sludge, Respiration Inhibition Test
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
Ethyl phenyl(2,4,6-trimethylbenzoyl)phosphinate
EC Number:
282-810-6
EC Name:
Ethyl phenyl(2,4,6-trimethylbenzoyl)phosphinate
Cas Number:
84434-11-7
Molecular formula:
C18H21O3P
IUPAC Name:
ethyl phenyl(2,4,6-trimethylbenzoyl)phosphinate
Details on test material:
LUCIRIN TPO-L (neue Fahrweise); Batch No: 2001-5009; Purity: 96,4 area-%, 3,6% organic by products;

Sampling and analysis

Analytical monitoring:
no

Test organisms

Test organisms (species):
activated sludge, domestic

Test conditions

Details on test conditions:
aerobic

Results and discussion

Effect concentrationsopen allclose all
Duration:
180 min
Dose descriptor:
other: EC20
Effect conc.:
> 1 000 mg/L
Nominal / measured:
nominal
Duration:
180 min
Dose descriptor:
other: EC80
Effect conc.:
> 1 000 mg/L
Nominal / measured:
nominal
Duration:
180 min
Dose descriptor:
EC50
Effect conc.:
> 1 000 mg/L
Nominal / measured:
nominal

Applicant's summary and conclusion

Validity criteria fulfilled:
yes