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EC number: 700-957-0
CAS number: 1141852-17-6
EL50 (48 h) > 139 mg/L for Daphnia magna (OECD 202, limit test)
One study investigated the short-term toxicity of the test
substance Y-15866 to aquatic invertebrates. The study was performed
according to OECD 202 with Daphnia magna, exposed to a water
accommodated fraction (WAF) with a loading rate of nominal 139 mg/L
(corresponding to 100 mg/L corrected for the impurities of the test
item) under semi-static conditions (Weber, 2011). Substance specific
analysis of the test item in the test medium was not possible (see
IUCLID section 6.6 for further information). Instead, the total organic
carbon (TOC) was measured as the sum parameter of the components of the
test item to demonstrate the presence of the test item in the test
medium. The substance is hydrolytically unstable. Therefore, this study
also reflects the possible effects of the hydrolysis products. No
mortality and no signs of intoxication were observed after 48 h.
Therefore, this study resulted in an EL50 of > 139 mg/L. The NOELR was
derived to be >= 139 mg/L.
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