Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
toxicity to microorganisms
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1999
Report date:
1999

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: OECD guideline No. 209
GLP compliance:
yes

Test material

Reference
Name:
Unnamed
Type:
Constituent

Study design

Total exposure duration:
3 h

Results and discussion

Effect concentrationsopen allclose all
Duration:
3 h
Dose descriptor:
IC50
Effect conc.:
> 100 mg/L
Duration:
3 h
Dose descriptor:
NOEC
Effect conc.:
15 mg/L

Applicant's summary and conclusion

Conclusions:
Under our experimental conditions, the 3 h EC50 of the test substance Pseudo Kharismal Step 1 (Batch No. 23223) is > 100mg/L for activated sludge. The test substance should be considered as non-toxic for the miro-organisms in a water treatment plant.
Executive summary:

Under our experimental conditions, the 3 h EC50 of the test substance Pseudo Kharismal Step 1 (Batch No. 23223) is > 100mg/L for activated sludge. The test substance should be considered as non-toxic for the miro-organisms in a water treatment plant.