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EC number: 224-320-7
CAS number: 4306-88-1
substance is abiotically stable under environmentally relevant
conditions. This is a worst case assumption
due to the lack of experimental and modelling data. The substance was
tested for inherent biodegradability according to non-GLP OECD 302 C
(key study). The results of the test show that the substance is not
inherently biodegradable: A maximum of 31% was biologically degraded
after 21 days of incubation. The log KOCvalue of the
substance is > 5 (extrapolated 6.93, KOC = 851’500)
based on GLP OECD 121 testing (key study). This indicates that the
substance is immobile according to FAO mobility classification, i.e., it
does adsorb strongly to organic matters like STP microorganisms or soil,
sediment or aquatic plants in the unlikely case that any substance
passes waste water treatment. STP clearance model SimpleTreatTM(RIVM)
shows that 98.1% of the substance is eliminated by industrial or waste
water treatment. Remaining 1.9% are discharged to effluents. The CSA
conducted for this substance shows that there is no risk for the
environment, since Risk Characterization Ratios for all uses of this CSR
are 0.04 or lower. Hence, based on currently available data and current
assessment, every usage covered by the chemical safety assessment is
safe, whatever environmental compartment is considered.
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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