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EC number: 700-425-8
CAS number: 521284-22-0
Short-term toxicity of the test substance to freshwater fish,
invertebrates and algae have been determined experimentally. Aquatic
invertebrates (Daphnia magna) immobilisation proved to be the most
sensitive indicator of toxicity and hence the 48hour EC50 value for
Daphnia magna was used as a critical indicator for calculation of PNEC
values for aquatic organisms. The PNEC for STP microbes was calculated
from an activated sludge respiration inhibition test (ASRIT) in
activated sludge. No studies are available to assess the toxicity to
sediment or terrestrial species. As such, the relevant sediment and soil
PNEC values have been calculated using the equilibrium partitioning
Based on the EC50 result in the 48h freshwater Daphnia magna toxicity
test (1.7 mg/L) and the absence of degradation reported in tests of
ready biodegradability, the classification of the test substance is
concluded to be:
- under Regulation 1272/2008 (CLP GHS) criteria, hazardous to the
aquatic environment, chronic category 2 (H411).
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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