Registration Dossier

Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

Administrative data

Endpoint:
toxicity to aquatic algae and cyanobacteria
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2000
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
publication
Title:
IUCLID Dataset Substance ID: 60-12-8
Author:
European Chemicals Bureau
Year:
2000
Bibliographic source:
European Commission - European Chemicals Bureau

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: refer to article
Deviations:
no
GLP compliance:
not specified

Test material

Reference
Name:
Unnamed
Type:
Constituent

Test organisms

Test organisms (species):
Desmodesmus subspicatus (previous name: Scenedesmus subspicatus)

Results and discussion

Effect concentrationsopen allclose all
Duration:
72 h
Dose descriptor:
EC10
Effect conc.:
ca. 300 mg/L
Nominal / measured:
not specified
Conc. based on:
dissolved
Basis for effect:
other: refer to article
Duration:
72 h
Dose descriptor:
EC50
Effect conc.:
ca. 490 mg/L
Nominal / measured:
not specified
Conc. based on:
dissolved
Basis for effect:
other: refer to article
Duration:
72 h
Dose descriptor:
EC90
Effect conc.:
ca. 790 mg/L
Nominal / measured:
not specified
Conc. based on:
dissolved
Basis for effect:
other: refer to article

Applicant's summary and conclusion

Conclusions:
For Scenedesmus subspicatus (new name: Desmodesmus subspicatus), the EC10, EC50, and EC90 were determined over a duration of 72h. The results were: EC10: 300 mg/L; EC50: 490 mg/L; EC90: 790 mg/L.