Registration Dossier
Registration Dossier
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EC number: 242-670-9 | CAS number: 18917-91-4
Endpoint summary
Administrative data
Description of key information
Additional information
A study on adsorption/desorption is not required according to REACH regulation, Annex VIII, 9.3.1, column II, when based on the physicochemical properties (e.g. low n-octanol/water partition coefficient) a low adsorption potential can be expected. The log Kow of Aluminium trilactate is in the range between -2.43 and -1.90 at 25°C.
However, Aluminium, a naturally occurring element, has a complex geochemical cycle depending on pH and the presence of organic matter. The chemical speciation strongly influences the extent of adsorption to soil or sediment. Aluminium in its cationic form strongly binds to negatively charged groups, e.g. fulvic acid and other organic matter (Environment Canada, 2010;WHO IPCS EHC1997; US ATSDR, 2008).
“The adsorption of aluminum onto clay surfaces can be a significant factor in controlling aluminum
mobility in the environment, and these adsorption reactions, measured in one study at pH 3.0–4.1, have been observed to be very rapid (Walker et al. 1988). However, clays may act either as a sink or a source for soluble aluminum depending on the degree of aluminum saturation on the clay surface (Walker et al. 1988)” (US ATDSR, 2007).
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.
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