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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Link to relevant study record(s)

Reference
Endpoint:
short-term toxicity to aquatic invertebrates
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Qualifier:
according to guideline
Guideline:
OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
Version / remarks:
2004
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method C.2 (Acute Toxicity for Daphnia)
Version / remarks:
2008
Qualifier:
according to guideline
Guideline:
other: OECD, 2000, Guidance Document on Aquatic Toxicity Testing of Difficult Substances and Mixtures.
Test organisms (species):
Daphnia magna
Test type:
static
Water media type:
freshwater
Limit test:
yes
Total exposure duration:
48 h
Reference substance (positive control):
yes
Remarks:
potassium dichromate
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
> 21 mg/L
Nominal / measured:
meas. (initial)
Conc. based on:
test mat.
Remarks:
test item concentration was calculated based on the measured concentration of cesium
Basis for effect:
mobility
Details on results:
- Mortality of control: no
- Abnormal responses: No sub-lethal effects of exposure were observed throughout the test.
- Any observations (e.g. precipitation) that might cause a difference between measured and nominal values: at the start and throughout the test all control and test solutions were observed to be clear colorless solutions.
Validity criteria fulfilled:
yes

Description of key information

Daphnia magna EC50 > 21 mg/L (limit of solubility), OECD 202, Hallett (2017)

Key value for chemical safety assessment

Additional information