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EC number: 203-445-0
CAS number: 106-94-5
In accordance with column 2 of REACH Annex X, Long-term Toxicity to Sediment Organisms testing (required in section 9.5.1) does not need to be conducted as sediment PNECs have been calculated by the equilibrium partitioning method and the chemical safety assessment concludes that the substance is of no immediate concern to the environment. The available data are adequate for classification and labelling purposes and PBT assessment, so no further testing is required. Also direct and indirect exposure of the sediment is unlikely.In addition the physicochemical data lead to the calculation of a very high Henry’s law constant (742 Pam3/mol) confirming very significant partitioning from the water to the air phase. Distribution modelling information suggests even distribution between water and air (and very little to sediment), however in reality this will not occur in the environmental as an equilibrium will not be established and there will be continual loss from the immediate confines of any defined air compartment. Therefore rapid transference of compound will occur from water to air, resulting in an absence of long term exposure and making long term aquatic toxicity testing unjustified.
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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