Registration Dossier
Registration Dossier
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EC number: 215-251-3 | CAS number: 1314-98-3
Toxicity to soil microorganisms
Administrative data
Link to relevant study record(s)
Description of key information
The results of the transformation/dissolution tests in aqueous media (IUCLID 5.6.) and of the aquatic toxicity tests documented in this section 6 all consistently demonstrate the very limited solubility of ZnS. For this reason, the testing for soil toxicity is waived, because exposure to zinc ions in the pore water is anticipated to be very limited.
Key value for chemical safety assessment
Additional information
ZnS is very stable also in soils, it is the chemical endpoint form under which zinc is occurring mainly in nature. The results on soil toxicity obtained with soluble or slightly soluble zinc compounds are not considered relevant for ZnS
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