Registration Dossier
Registration Dossier
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EC number: 219-854-2 | CAS number: 2551-62-4
Endpoint summary
Administrative data
Description of key information
Additional information
SF6 is expected to have a low potential for adsorption as the substance has a low log Kow of 1.68. Furthermore, the substance is a gas and therefore direct and indirect exposure of the sediment and soil compartments are unlikely.
A Henry's Law Constant of 185 (dimensionless) at 25 °C is reported by Giardino et al. (1988). An HLC of 4.52 atm m3/mole (458 kPa m3/mole) can by calculated by considering the conversion factor 41 between the dimensionless value and the HLC expressed in atm. m3/mol.
According to Mackay level III model (2002), SF6, released at the rate 1000 kg/h in atmosphere, will not partition significantly into water and solid compartments. The removal of the substance from the standard environment defined in the Equilibrium Criterion Model (EQC, Mackay et al, 1996) will occur mainly via advection, due to the very low atmospheric degradation rate of SF6.
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