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EC number: 208-754-4
CAS number: 540-72-7
The key study for this endpoint describes toxicity to the algae (P. subcapitata) where the NOEC value (growth rate) is 106.5 mg/L and the EC10 (growth rate) is 109.17 mg/L. The ErC50 is estimated as >= 234.3 mg/L.
The key study was conducted following an
internationally recommended guideline, under GLP, and with analytical
monitoring of test substance. Although the bicarbonate concentration was
three times the recommended levels, this does not have any significant
impact on the results. The other available study on toxicity to the
bluegreen alga Microcystis aeruginosa was considered unusable as the
growth rate in the control (3.7) was below the minimum factor of 16.
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