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EC number: 229-745-1
CAS number: 6701-13-9
In a test performed according to the OECD
201 testing Guideline, the concentrations of test item causing a 50 %
and 10% reduction in growth rate of Pseudokirchneriella subcapitata
were estimated to be:
72h-EC10 = 6.2 µg/L (95% CI: 4.8 - 7.3 µg/L)
72h-EC50 = 13.9 µg/L (95% CI: 12.6 - 15.7
In a test performed also according the OECD
201 testing Guideline for an analogue (1,10-decanediyl diacrylate; 13048-34-5)
of the test item with the same species, close 72h-EC10 and 72h-EC50
values were obtained (26.2 µg/L and 45 µg/L, respectively).
This study was designed to determine
the effects of the test item on the growth of Pseudokirchneriella
subcapitata in a 72-hour test according to the OECD 201 Guideline.
Due to the viscous property of the
test item tests solutions were prepared from dilutions of a saturated
solution prepared using slow-stirring conditions described in the OECD
The results are reported as growth
rate and yield inhibitions. The concentrations that result in a 10 and
50% reduction in growth rate (72h-ErC10 and 72h-ErC50, respectively) and
yield (72h-EyC10 and 72h-EyC50, respectively) were determined.
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