Registration Dossier

Ecotoxicological information

Short-term toxicity to aquatic invertebrates

Administrative data

Endpoint:
short-term toxicity to aquatic invertebrates
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
GLP compliance:
yes (incl. certificate)

Test material

Reference
Name:
Unnamed
Type:
Constituent

Sampling and analysis

Analytical monitoring:
not specified

Test solutions

Vehicle:
yes
Remarks:
methanol
Details on test solutions:
dissolve 50 mg of the test substance in 10 ml of methanol and the total volume was completed to 500 ml with dilution water, resulting in a concentration of 100 mg/L

Test organisms

Test organisms (species):
Daphnia magna

Study design

Test type:
static
Water media type:
freshwater
Total exposure duration:
48 h

Test conditions

Hardness:
149.1 mg/L CaCO3
Test temperature:
20.2
pH:
7.7-7.8
Dissolved oxygen:
8.0-8.1 mg/L
Reference substance (positive control):
yes
Remarks:
K2Cr2O7

Results and discussion

Effect concentrations
Key result
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
> 100 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mobility
Results with reference substance (positive control):
24h EC50 = 1.02 mg/L

Applicant's summary and conclusion

Validity criteria fulfilled:
yes