Registration Dossier
Registration Dossier
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EC number: 232-197-6 | CAS number: 7790-28-5
Endpoint summary
Administrative data
Description of key information
The substance is considered to undergo rapid hydrolysis. Under environmental conditions, sodium periodate is reduced to sodium iodate and further reduced to sodium iodide.
Hydrolysis is not a concern to such an inorganic substance which can be completely ionized in water phase giving the sodium cation and iodide anion.
The substance can be expected to have a low potential for adsorption. Once fully reduced, the sodium cation and iodide anion are uniformly distributed in water phase. The distribution to air of these two basic ions is negligible, due to high water solubility and low vapour pressure. To sediment and soil phases, these two ions are mostly distributed in the pore water.
Na+ and I- are readily absorbed by organisms and are considered to have a low potential for bioaccumulation based on the high reported water solubility of the parent substance, in the range 8.0 to 9.3 % w/w of solution at 20.0 ± 0.5 °C, and its inorganic, ionic nature.
Additional information
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