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EC number: 905-806-4
CAS number: -
In a study with Scenedesmus subspicatus (Blom and Oldersma, 1994) no
toxicity was observed after 3d exposure to a loading rate of 1640mg/L.
In a limit test with Scenedesmus subspicatus (Blom and Oldersma,
1994) exposed to PMDI, no toxicity was observed after 72 hours exposure
to a loading rate of 1640 mg/L. This was based on the growth rate of the
algae. Hence, the 72h-NOELR was 1640 mg/L and the 72h-EC50 was > 1640
mg/L. The test was carried out according to OECD Guideline 201 and the
water accommodated fraction method. The result was corroborated by the
mecocosm study (Heimbach, 1993), where no effects were seen in the
phytoplankton up to 1000 and 10,000 mg/L. Hence, the results indicates
that MDI is not toxic to freshwater green algae.
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