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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

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
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: Secondary literature

Data source

Reference
Reference Type:
secondary source
Title:
Ongoing testing on the Danish Technical University (DTU) on Pseudorichneriela subcapitata (Selenastrum capricornutum), plus data from various sources in the open literature.
Author:
Danish EPA
Year:
1998
Bibliographic source:
DK-EPA-Danish Technical University (DTU) - cited in OECD Toolbox (v 1.0), March 2008

Materials and methods

Principles of method if other than guideline:
Algae Bioassay
GLP compliance:
not specified

Test material

Reference
Name:
Unnamed
Type:
Constituent

Sampling and analysis

Analytical monitoring:
not specified

Test solutions

Vehicle:
not specified

Test organisms

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

Study design

Test type:
not specified
Water media type:
not specified

Results and discussion

Effect concentrations
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
3.07 mg/L
Nominal / measured:
not specified
Conc. based on:
test mat.
Basis for effect:
not specified

Applicant's summary and conclusion