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EC number: 203-906-6
CAS number: 111-77-3
EC50 (96hr)>1000mglEC90 (96hr) >500mg/l
Two studies are available for algal toxicity. Both use biomass as the
measured endpoint, which is not the preferred effect measurement. However,
at least one was conducted to a recognised guideline. Only nominal
concentrations are given, but this is not considered problematic for
this low volatility, highly water soluble material. Both studies were
in effect limit studies and neither established a true EC50 level. The
highest dose tested without reaching the EC50 is selected as the key
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