Registration Dossier
Registration Dossier
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EC number: 215-686-9 | CAS number: 1344-08-7
Biodegradation in soil
Administrative data
Link to relevant study record(s)
Description of key information
The degradation rate for polysulfides in soil is estimated using the default value according to the TGD.
Key value for chemical safety assessment
Additional information
Half life in soil
Experimental data on the biodegradation in soil of polysulfides are not available. The degradation rate is therefore estimated using the default value according to the TGD, assuming that no degradation takes place in the bound phase.
The partitioning of polysulfides in soil was calculated using the default Koc for Non-hydrophobics. Based on this Koc a partitioning coefficients for sediment Kp soil = 0.7 L/kg was calculated (EUSES 2.1.1; Kolck 2010). The suggested half-life for a readily degradable substance with a Kpsoil in the range ≤100 l/kg is 30 days.
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