Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: This study was carried out in accordance with internationally valid GLP principles.

Data source

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

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: 92/69/EWG, C.3
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
Iron (III) tris(4-methylbenzenesulfonate)
EC Number:
420-960-8
EC Name:
Iron (III) tris(4-methylbenzenesulfonate)
Cas Number:
77214-82-5
Molecular formula:
C21H21FeO9S3
IUPAC Name:
iron(3+) tris(4-methylbenzene-1-sulfonate)

Test solutions

Details on test solutions:
PREPARATION AND APPLICATION OF TEST SOLUTION (especially for difficult test substances):
directly, magnetic stirrer; the solution was filtered before the begining of the test

Test organisms

Test organisms (species):
other: Scenedesmus subspicatus (CHODAT)

Study design

Limit test:
no
Total exposure duration:
72 h

Results and discussion

Effect concentrationsopen allclose all
Duration:
72 h
Dose descriptor:
NOEC
Effect conc.:
>= 92 mg/L
Basis for effect:
growth rate
Duration:
72 h
Dose descriptor:
NOEC
Effect conc.:
>= 92 mg/L
Basis for effect:
biomass
Details on results:
% concentration loss over test: 17

Applicant's summary and conclusion