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EC number: 605-399-0
CAS number: 165252-70-0
Nominal and measured concentrations:
Table 1: Immobility
of dinotefuran on Daphnia magna
Dilution water Control
Positive Control, if used
Table 2: Effect
data of dinotefuran on Daphnia magna
EC50(with 95% C.I.), mg/L
Nominal concentration [µg/L]
No larvae introduced
No. dead larvae
% mortality after 24 h
% mortality after 48 h
* No mortality, but all larvae showed convulsions and unusual body movements (clearly different compared to the larvae in the control)
** The remaining three alive larvae showed convulsions and unusual body movements.
The acute toxicity of the test item MTI-446 to first-instar larvae of
the midgeChironomus ripariuswas determined in a 48-hour static test. The
test item was dissolved in water, and the larvae were introduced into
these test media. The survival rate of the larvae and symptoms of
intoxication were recorded during the test period. No sediment was added
in this acute test since otherwise the small larvae, dwelt in sediment
cannot be observed.
The nominal test item concentrations tested were 2.2, 4.6, 10, 22, 46
and 100 pg/I, and in parallel a control.
The analytically determined concentrations of MTI-446 in the test media
from the start and the end of the test varied in the range from 92 to
98% of the nominal values. In the test media MTI-446 was sufficiently
stable during the test period of 48 hours. Therefore, all reported
biological results are related to the nominal concentrations of the test
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