Registration Dossier
Registration Dossier
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EC number: 208-048-6 | CAS number: 506-64-9
Endpoint summary
Administrative data
Description of key information
Additional information
The hydrolysis study was not considered scientifically necessary and therefore it was waived as silver cyanide is not expected to undergo hydrolysis in the environment. The biodegradation study has been waived as the substance is an inorganic.
Adsorption/desorption results have been read across from silver to silver cyanide. A weight of evidence approach has been taken to determine the log Kd values for soil, suspended matter and sediment. The log Kd values are: log Kd soil 3.60 (Kd 4023), log Kd suspended matter 5.28 (Kd 190546) and log Kd sediment 4.05 (Kd 11092).
The partitioning of silver in an STP is expressed in terms of the fraction of influent silver in the final effluent (0.199) and the sludge (0.801). The fraction partitioning to sludge is derived as the geometric mean of 14 measurements reported from three separate studies. Mean and median removal efficiencies were 82.9 and 87.5, respectively. Mean and median removal efficiencies were 82.9 and 87.5, respectively.
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