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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Ecotoxicological information

Toxicity to microorganisms

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
activated sludge respiration inhibition testing
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment
Qualifier:
according to guideline
Guideline:
other: Bringmann-Kuehn-Test
GLP compliance:
not specified
Analytical monitoring:
not specified
Vehicle:
not specified
Test organisms (species):
Pseudomonas putida
Test type:
other: aquatic
Water media type:
freshwater
Limit test:
no
Total exposure duration:
48 h
Reference substance (positive control):
not specified
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
> 16 000 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
growth inhibition
Details on results:
The 48-hr EC50 for the bacteria Pseudomonas putida exposed in a Bringmann-Kuehn-Test is reported as >16,000 mg/L
Validity criteria fulfilled:
yes
Conclusions:
The 48-hr EC50 for the bacteria Pseudomonas putida exposed in a Bringmann-Kuehn-Test is reported as >16,000 mg/L

Description of key information

The 48-hr EC50 for the bacteria Pseudomonas putida exposed in a Bringmann-Kuehn-Test is reported as >16,000 mg/L

Key value for chemical safety assessment

EC50 for microorganisms:
16 000 mg/L
EC10 or NOEC for microorganisms:
3 200 mg/L

Additional information