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EC number: -
CAS number: -
This study was performed to assess the acute toxicity of the test
material to Daphnia magna. Following a preliminary range-finding test,
twenty daphnids (4 replicates of 5 animals) were exposed to a Water
Accommodated Fraction (WAF) of the test material,
at a single nominal loading rate of 100 mg/l for 48 hours at a
temperature of 22C under static test conditions. Immobilisation and any
adverse reactions to exposure were recorded after 24 and 48 hours. The
48-Hour EL*50 for the test material to Daphnia magna based on nominal
loading rates was greater than 100 mg/l loading rate WAF and
correspondingly the No Observed Effect Loading rate was 100 mg/l loading
A key GLP study reporting 48h EL 50 > 100 mg/l loading rate WAF, OECD, 202.
In a key GLP compliant study conducted in accordance with the OECD 202
guideline reported that the 48-Hour EL50 for the Daphnia Magna exposed
to the test substance (WAF preparations) at the limit of water
solubility, was greater than 100 mg/l in terms of the initial test
substance loading rate. Correspondingly the No Observed effect Loading
rate was 100 mg/l loading rate WAF.
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