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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:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: Body responsible for the test

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
Version / remarks:
(Paris 1981)
Deviations:
not specified
GLP compliance:
not specified

Test material

Reference
Name:
Unnamed
Type:
Constituent

Sampling and analysis

Analytical monitoring:
not specified

Test solutions

Vehicle:
yes

Test organisms

Test organisms (species):
Daphnia magna

Study design

Test type:
not specified
Water media type:
freshwater
Limit test:
no
Total exposure duration:
48 h

Results and discussion

Effect concentrationsopen allclose all
Duration:
24 h
Dose descriptor:
EC50
Effect conc.:
> 100 mg/L
Nominal / measured:
nominal
Duration:
24 h
Dose descriptor:
EC0
Effect conc.:
< 10 mg/L
Nominal / measured:
nominal
Duration:
24 h
Dose descriptor:
EC100
Effect conc.:
> 100 mg/L
Nominal / measured:
nominal
Duration:
48 h
Dose descriptor:
NOEC
Effect conc.:
< 10 mg/L
Nominal / measured:
nominal

Any other information on results incl. tables

- the values found are based on nominal concentrations.

- the test substance being insoluble in water, ARKOPAL N 150 was added, up to 4 mg/L water in the highest test concentration

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Conclusions:
EC50 > 100 mg/L (24h)
NOEC < 10 mg/L (48h)