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EC number: 218-212-9
CAS number: 2082-59-9
The EC50(48 hours) of hydrolysed ZK 56407 (valeric anhydride) to Daphnia
magna is expected to be higher than 100 mg/L.
ZK 56407 and its hydrolysis product ZK 56510 had a
concentration-depended inhibitory effect on the growth of Desmodesmus
The EbC5O (biomass) was 34.1 mg/L [95% confidence limits: 27.2 - 43.3],
the ErC50 (growth rate) was> 100 mg/L.
Consequently, ZK 56407 and its hydrolysis product were considered to be
harmful to the green algae Desmodesmus subspicatus, since the EbCso was
between 10 and 100 mg/L.
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