Registration Dossier

Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

Administrative data

Endpoint:
toxicity to aquatic algae and cyanobacteria
Type of information:
migrated information: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Guideline study without detailed documentation. Study accepted by competent national authorities (ELINCS substance) from EU member states.Reference see section 13 Assessment Reports, ECHA derogation statement.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2009

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: Guidline unknow, Read Across
GLP compliance:
not specified

Test material

Reference
Name:
Unnamed
Type:
Constituent

Study design

Test type:
not specified
Water media type:
not specified
Total exposure duration:
72 h

Test conditions

Reference substance (positive control):
not specified

Results and discussion

Effect concentrationsopen allclose all
Duration:
72 h
Dose descriptor:
EC50
Effect conc.:
> 0.041 mg/L
Nominal / measured:
not specified
Conc. based on:
not specified
Basis for effect:
biomass
Duration:
72 h
Dose descriptor:
NOEC
Effect conc.:
> 0.41 mg/L
Nominal / measured:
not specified
Conc. based on:
not specified
Basis for effect:
growth rate

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Conclusions:
there are no toxic effects observed at the solubility limit