Registration Dossier

Ecotoxicological information

Toxicity to microorganisms

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Administrative data

Endpoint:
toxicity to microorganisms
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: secondary source

Data source

Reference
Reference Type:
secondary source
Title:
IUCLID dataset, 4-chlorobenzaldehyde
Author:
ECB-IUCLID
Year:
2000
Bibliographic source:
EU Commission - ECB-IUCLID

Materials and methods

Test guideline
Qualifier:
no guideline available
GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
no data
Specific details on test material used for the study:
Details on properties of test surrogate or analogue material (migrated information):
no data

Sampling and analysis

Analytical monitoring:
no
Details on sampling:
no data

Test solutions

Vehicle:
not specified
Details on test solutions:
no data

Test organisms

Test organisms (species):
Photobacterium phosphoreum
Details on inoculum:
no data

Study design

Test type:
static
Water media type:
freshwater
Limit test:
no
Total exposure duration:
30 min
Post exposure observation period:
no data

Test conditions

Hardness:
no data
Test temperature:
no data
pH:
no data
Dissolved oxygen:
no data
Salinity:
no data
Nominal and measured concentrations:
no data
Details on test conditions:
no data
Reference substance (positive control):
not specified

Results and discussion

Effect concentrations
Duration:
30 min
Dose descriptor:
EC50
Effect conc.:
10.1 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
growth inhibition
Details on results:
no data
Results with reference substance (positive control):
no data
Reported statistics and error estimates:
no data

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Conclusions:
Based on the results of this study the EC50 of 4-chlorobenzaldehyde to Photobacterium phosphoreum was 10.1 mg/L.