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Ecotoxicological information

Toxicity to microorganisms

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Reference
Endpoint:
toxicity to microorganisms
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Data is from peer reviewed journal
Justification for type of information:
Data is from peer reviewed journal
Qualifier:
according to
Guideline:
other: as mentioned below
Principles of method if other than guideline:
Evaluation of antibacterial effect of test material on Tetrahymena pyriformis
GLP compliance:
not specified
Analytical monitoring:
not specified
Vehicle:
not specified
Test organisms (species):
Tetrahymena pyriformis
Test type:
static
Water media type:
freshwater
Total exposure duration:
40 h
Details on test conditions:
Static population growth impairment assay;
Reference substance (positive control):
not specified
Duration:
40 h
Dose descriptor:
other: log(1/IC50)
Effect conc.:
-0.08 other: mM
Nominal / measured:
meas. (not specified)
Conc. based on:
test mat.
Basis for effect:
growth inhibition
Conclusions:
Toxicity to microorganisms was examined on tetrahymena pyriformis for 40 hours by static population growth impairment assay. Population density measured spectrophotometrically at 540 nm. Value found to be log(1/IC50)=-0.08 for IC50 in mM.
Executive summary:

Toxicity to microorganisms was examined on tetrahymena pyriformis for 40 hours by static population growth impairment assay. Population density measured spectrophotometrically at 540 nm. Value found to be log(1/IC50)=-0.08 for IC50 in mM.

Description of key information

Toxicity to microorganisms:

Toxicity to microorganisms was examined on tetrahymena pyriformis for 40 hours by static population growth impairment assay. Population density measured spectrophotometrically at 540 nm. Value found to be log(1/IC50)=-0.08 for IC50 in mM.

Key value for chemical safety assessment

Additional information

Toxicity to microorganisms:

Toxicity to microorganisms was examined on tetrahymena pyriformis for 40 hours by static population growth impairment assay. Population density measured spectrophotometrically at 540 nm. Value found to be log(1/IC50)=-0.08 for IC50 in mM.