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EC number: 274-570-6
CAS number: 70321-86-7
With high probability acutely not toxic to aquatic invertebrates. No toxic effects occur at a nominal concentration of 100 mg/L WAF (water accommodated fraction).
The key study from the Institute of
Industrial Organic Chemistry Branch Pszczyna (2012) is a static toxicity
study. In this test young Daphnia magna individuals (< 24 h old) were
exposed to the test item for 48 hours. A nominal concentration of 100
mg/L WAF (water accomodated fraction) was applied as a limit test. The
EC50 causing 50% immobilization of the Daphnia magna population during
48 hours exposure is higher than 100.0 mg/L WAF. The EC0 (48 h) is
higher than or equal to 100.0 mg/L WAF. No toxicity was observed up to
the solubility limit of the test substance in the test medium under the
published data on acute Daphnia toxicity are available. Vehicle was
used. Limited details on the experimental conditions were given.
However, the EC50 48h was above the highest tested concentration of
A non-GLP guideline study according to OECD
202 (Ciba Geigy 1984) was disregarded because the exposure time was only
24 instead of 48h. Moreover, the preparation of the test substances was
conducted with a solubilizer.
In conclusion, the substance is regarded as
acutely not toxic to aquatic invertebrates. No toxic effects could be
recorded in the range of water solubility.
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