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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:
Nov. 1992
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: The study and data are well documented and scientifically acceptable.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1992
Report date:
1992

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
ISO 8692 (Water Quality - Fresh Water Algal Growth Inhibition Test with Scenedesmus subspicatus and Selenastrum capricornutum)
Version / remarks:
and in accordance with OECD 201
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
5,8-bis(carboxymethyl)]-11-[2-(methylamino)-2-oxoethyl]-3-oxo-2,5,8,11-tetreazatridecan-13-oic acid
Cas Number:
119895-95-3
Molecular formula:
C16H29N5O8
IUPAC Name:
5,8-bis(carboxymethyl)]-11-[2-(methylamino)-2-oxoethyl]-3-oxo-2,5,8,11-tetreazatridecan-13-oic acid

Test organisms

Test organisms (species):
Pseudokirchneriella subcapitata (previous names: Raphidocelis subcapitata, Selenastrum capricornutum)

Study design

Total exposure duration:
72 h

Results and discussion

Effect concentrations
Duration:
72 h
Dose descriptor:
EC50
Effect conc.:
2.8 mg/L
Basis for effect:
growth rate

Applicant's summary and conclusion

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