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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

toxicity to microorganisms, other
Pseudomonas putida growth inhibition test
Type of information:
experimental study
Adequacy of study:
key study
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment
Principles of method if other than guideline:
Pseudomonas putida growth inhibition test
Inhibition of cell reproduction according to Bringmann-Kuehn, Z. f. Wasser- und Abwasserforschung 10, 87-98 (1977)
GLP compliance:
Analytical monitoring:
not specified
Test organisms (species):
Pseudomonas putida
Total exposure duration:
16 h
Test temperature:
Room temperature (25°C)
Details on test conditions:
- Type: aquatic
- 3 experiments and one control were run in parallel with different concentrations level
- The extintion of the monochromatic radiation of Hg (436 nm) was measured at the end of the test period
Key result
16 h
Dose descriptor:
Effect conc.:
260 mg/L
At 260 mg/L a starting inhibition of growth has been observed.

Description of key information

At 260 mg/L a starting inhibition of growth has been observed.

Key value for chemical safety assessment

EC10 or NOEC for microorganisms:
260 mg/L

Additional information