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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Short-term toxicity to aquatic invertebrates

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Administrative data

Endpoint:
short-term toxicity to aquatic invertebrates
Type of information:
read-across based on grouping of substances (category approach)
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Justification for type of information:
See attached justification

Data source

Reference
Reference Type:
publication
Title:
SINGLE AND JOINT EFFECTS OF PERCHLORATES TO DAPHNIA MAGNA: ADDITIVITY AND INTERACTION PATTERNS
Author:
Susana Loureiro1,*, Tayvia L. Meyer1, Abel L. G. Ferreira1, Mónica J. B. Amorim1 and Amadeu M. V. M. Soares1
Year:
2012
Bibliographic source:
Department of Biology & CESAM, University of Aveiro, 3810-193 Aveiro, Portugal

Materials and methods

Principles of method if other than guideline:
Methods not published.
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
perchlorate
Cas Number:
14797-73-0
Molecular formula:
ClO4 -
IUPAC Name:
perchlorate

Test organisms

Test organisms (species):
Daphnia magna

Study design

Water media type:
freshwater
Total exposure duration:
48 h

Results and discussion

Effect concentrations
Duration:
48 h
Dose descriptor:
LC50
Effect conc.:
3 925 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mobility

Applicant's summary and conclusion