Registration Dossier
Registration Dossier
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EC number: 618-780-1 | CAS number: 916809-14-8
Adsorption / desorption
Administrative data
Link to relevant study record(s)
Description of key information
Adsorption to solid soil phase is not expected.
Key value for chemical safety assessment
Additional information
The adsorption potential of the reaction mass of phosphorothioic triamide, N-butyl- (NBPT) and phosphorothioic triamide, N-propyl- (NPPT) was
examined in a guideline study according to OECD 121. The determined logKoc of < 1.25 indicates that adsorption to solid soil phase is not expected.
Based on the structural similarities between NBPT and NPPT (NPPT is one CH2 -group shorter), it is very likely that the adsorption potential for NPPT itself to solid soil phase is not expected as well.
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