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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:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions

Data source

Referenceopen allclose all

Reference Type:
study report
Title:
Unnamed
Year:
1981
Report date:
1981
Reference Type:
study report
Title:
Unnamed
Year:
1997
Report date:
1997

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: DIN 38412, Part 11
GLP compliance:
no

Test material

Specific details on test material used for the study:
Purity: ca. 98%

Test solutions

Vehicle:
no
Details on test solutions:
The test substance was solved in water under hydrolytic conditions (agitation for 24h at pH 13).

Test organisms

Test organisms (species):
Daphnia magna

Study design

Water media type:
freshwater
Total exposure duration:
24 h

Results and discussion

Effect concentrations
Duration:
24 h
Dose descriptor:
EC50
Effect conc.:
138.8 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Reported statistics and error estimates:
Confidence interval: 107.9 - 178.7 mg/L

Applicant's summary and conclusion

Conclusions:
Under the conditions of the test the EC50 of the test item was determined to be 138.8 mg/L.