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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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