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EC number: 231-072-3
CAS number: 7429-90-5
In general, metals do
not biomagnify unless they are present as, or having the potential to
be, in an organic form (e.g. methylmercury). Organometals tend to be
lipid soluble, are not metabolized, and are efficiently assimilated upon
available evidence shows the absence of aluminium biomagnification across
trophic levels both in the aquatic and terrestrial food chains. The
existing information suggests not only that aluminium does not
biomagnify, but rather that it tends to exhibit biodilution at higher
trophic levels in the food chain. More detailed information can be found
in the attached document (White paper on waiving for secondary poisoning
for Al & Fe compounds final report 02-02-2010. pdf). BCFs
for Aluminium can be found to range from quite low (~100) to quite high
values (11,000 – see attached pdf on White paper for waiving secondary
poisoning for iron and Aluminium. This
variance can in large part be explained by the difference in exposure
conditions for the various studies. The
inverse relationship between water and BCF/BAF values limits the ability
to describe hazard as a result of the size of the BCF, i.e., the most
pristine ecosystems have the highest BCFs. A
better approach is to directly assess the concentrations of Al at
various trophic levels in the ecosystem.
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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