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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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