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EC number: 225-803-5
CAS number: 5089-22-5
NOEC (7d) higher than the concentration of
The purpose of the study was to assess the
phytotoxicity of the test item on the freshwater aquatic plantLemna
gibba. Exponentially-growing cultures ofLemna gibbawere
exposed to the test item. A non-GLP preliminary experiment was carried
out at saturation concentration to determine the approximate toxicity of
the test item.
Lemna colonies (containing 11 fronds in
total per test vessel) were exposed to the test concentration and for
the untreated control for a period of 7 days. Three replicates was used
for the control and two replicates for the test concentration.
Analytical determinations of test
concentrations were not performed.
Based on the results of non-GLP
preliminary test, the test item had no significant toxic effect on Lemna
gibba at aquatic saturation. The 7d EC50 and NOEC values based on
the frond numbers can be determined to be higher than saturation.
Taken into consideration that substance is
practically insoluble, the results obtained during the validation of an
analytical method and the results obtained into the preliminary test,
the main one was not considered as necessary.
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