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EC number: 224-957-0
CAS number: 4573-50-6
Environmental fate and pathways
Readily biodegradable: 77% within 28 d(EU Method C.4-E, activated
Log Kow: 2.39 at 22.7 °C (OECD 117, HPLC method)
Aquatic acute toxicity
24.1 mg/L < EC50 (48 h) < 94.3 mg/L (arithmetic mean measured, EU
Method C.2, D. magna)
ErC50 (72 h) = 62.2 mg/L(geom.
mean measured, OECD 201, P. subcapitata)
Aquatic chronic toxicity
ErC10 (72 h) = 26.8 mg/L (geom. mean measured, OECD 201, P.
Conclusion on Classification
The test substance is readily biodegradable and the log Kow is below 4.
Two studies are available for aquatic toxicity covering aquatic
microalgae and invertebrates . Based on this data the substance does not
need to be classified for acute or chronic aquatic hazards according to
Regulation (EC) No 1272/2008 (9thATP).
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