Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Currently viewing:

Administrative data

Endpoint:
toxicity to aquatic algae and cyanobacteria
Adequacy of study:
other information

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed

Materials and methods

Test guideline
Qualifier:
according to guideline
Principles of method if other than guideline:
- Organization for Economic Co-operation and Development
(OECD), OECD guidelines for Testing of Chemicals, guideline
No. 201: "Freshwater Alga and Cyanobacteria, Growth
Inhibition Test", Adopted March 23, 2006.


- European Economic Community (EEC), EEC directive 92/69,
Part C: Methods for the determination of ecotoxicity,
Publication No. L383, December 1992, C-3: "Algal Inhibition
Test".


- ISO International Standard 8692: "Water quality -
Freshwater algal growth inhibition test with unicellular
green algae", Second edition, 01 October 2004.
GLP compliance:
yes

Test solutions

Details on test solutions:
Identity and concentration of auxiliary solvent for dispersal: None

Test organisms

Test organisms (species):
other: Pseudokirchneriella subcapitata, strain: NIVA CHL 1

Study design

Limit test:
no
Total exposure duration:
48 h

Test conditions

Hardness:
24 mg CaCO3/L

Results and discussion

Effect concentrationsopen allclose all
Duration:
72 h
Dose descriptor:
NOEC
Effect conc.:
4.6 mg/L
Basis for effect:
growth rate
Duration:
72 h
Dose descriptor:
NOEC
Effect conc.:
4.6 mg/L
Basis for effect:
biomass
Details on results:
%Concentration loss over test: ... 0

Applicant's summary and conclusion