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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:
data from handbook or collection of data
Justification for type of information:
Data is from peer reviewed journal
Principles of method if other than guideline:
Effective concentration was determined for Photobacterium phosphoreum using Microtox test.
GLP compliance:
no
Analytical monitoring:
not specified
Details on sampling:
No data available
Vehicle:
not specified
Details on test solutions:
No data available
Test organisms (species):
Photobacterium phosphoreum
Details on inoculum:
No data available
Test type:
not specified
Water media type:
not specified
Total exposure duration:
30 min
Post exposure observation period:
No data available
Hardness:
No data available
Test temperature:
15 degree C
pH:
5-9
Dissolved oxygen:
No data available
Salinity:
No data available
Conductivity:
No data available
Nominal and measured concentrations:
No data available
Details on test conditions:
No data available
Reference substance (positive control):
not specified
Key result
Duration:
5 min
Dose descriptor:
EC50
Effect conc.:
3.02 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
other: viability and sensitivity of the bacteria
Details on results:
No data available
Results with reference substance (positive control):
No data available
Reported statistics and error estimates:
No data available
Validity criteria fulfilled:
not specified
Conclusions:
The 50% Effective concentration of test chemical to Photobacterium phosphoreum was determined to be 3.02 mg/l based on viability and sensitivity of bacteria.
Executive summary:

Photobacterium phosphoreum was test organism used to determined the toxicity of test material done by Microtox test method . The time period was 5 to 30 minute at 15 degree C and pH range from 5 to 9. After exposure, the 50% Effective concentration value for 1 test chemical to Photobacterium phosphoreum was determined to be 3.02 mg/l based on viability and sensitivity of bacteria.

Description of key information

Photobacterium phosphoreum was test organism used to determined the toxicity of test material done by Microtox test method . The time period was 5 to 30 minute at 15 degree C and pH range from 5 to 9. After exposure, the 50% Effective concentration value for 1test chemical to Photobacterium phosphoreum was determined to be 3.02 mg/l based on viability and sensitivity of bacteria.

Key value for chemical safety assessment

EC50 for microorganisms:
3.02 mg/L

Additional information

Photobacterium phosphoreum was test organism used to determined the toxicity of test material done by Microtox test method . The time period was 5 to 30 minute at 15 degree C and pH range from 5 to 9. After exposure, the 50% Effective concentration value for 1test chemical to Photobacterium phosphoreum was determined to be 3.02 mg/l based on viability and sensitivity of bacteria.