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EC number: 257-406-8
CAS number: 51772-35-1
toxic effects occur at the range of solubility.
The test substance exhibits a very low water solubility (<1.7 µg/L at
20°C). Therefore, bioavailability to aquatic organisms is strongly
All available acute tests for the test substance markedly show that no
toxic effects occur up to the limit of solubility:
48-hr-EC50 of the test item to Daphnia magna under static
conditions was determined to be > 100 mg/L (nominal loading rate of
72 hour acute toxicity study of the test item to cultures of Scenedesmus
subspicatus the NOEbC and EbC50 values based on biomass were 100 and
> 100 mg/L, respectively (based on nominal loading rate of undiluted
3-hr acute toxicity study sewage sludge micro-organisms were exposed to
the test item at nominal concentrations of 100 mg/L in accordance with
OECD 209. The IC50 value based on respiration rate was > 100 mg/L after
a 3 h contact time.
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