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EC number: 447-920-2
CAS number: 897393-42-9
Acute effect levels for the freshwater species tested are >100 mg/L
(LC50 fish), 88 mg/L (48h-EC50 invertebrates) and >100 mg/L (algae;
72h-EC50 growth rate).
Long-term effect levels for the freshwater species tested are >110 mg/L
(28d-NOEC fish), 7.95 mg/L (21d-NOEC invertebrates) and 4.6 mg/L
DSD: following the lowest acute
effect level being in the range of 10 - 100 mg/L (88 mg/L, EC50 for
daphnia), and the substance being not readily biodegradable, the
substancewould be considered to be harmful to aquatic organisms and may
cause long-term adverse effects in the aquatic compartment (R52/53).
However, additional scientific evidence is available on the lack of
long-term toxicity in the three trophic levels (fish, daphnids, algae)
at a concentration of 1 mg/L. Therefore classification with R52/53 is
not warranted. The substance is thus not classified for the environment
according to the classification rules in DSD.
CLP: although the lowest acute effect level is in the range of 10 - 100
mg/L (88 mg/L, EC50 for invertebrates) and the substance is not readily
biodegradable, no long term adverse effects are anticipated as the
chronic toxicity NOEC's for fish, invertebrates and algae are > 1 mg/L;
therefore, no classification for the environment is assigned according
to the classification rules in CLP (taking into account the 2nd ATP).
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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