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EC number: 202-319-2
CAS number: 94-28-0
The available algal growth inhibition test (Scenedesmus subspicatus); K2; 1992; EU Method C3 or 88/302/EEC; GLP; EC50 (growth rate, 72h) > 55 mg/L; NOEC (cell number, 72h) = 27 mg/L
There is only one test available reporting toxicity to algae (Scholz,
1992). The test was performed according to the EU Method C3 and GLP
guidelines. An EC50 value based on growth rate (72h) was reported to be
above 55 mg/L (nominal concentrations based on TOC content), the NOEC
(cell number, 72h) was equal to 27 mg/L. Although this study is
indicative of a lack of acute toxicity of the substance towards algae,
it should be noted that all concentrations are above water solubility
and reported concentrations are only nominal concentrations based on the
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