Registration Dossier
Registration Dossier
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EC number: 297-907-9 | CAS number: 93763-87-2 Substance formed by processing of chiefly oxidic material with lead and zinc content in a rotating furnace. Consists primarily of Al2O3, CaO, Fe, FeO and SiO2 with other nonferrous compounds as well as carbon.
Toxicity to terrestrial arthropods
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 and terrestrial toxicity tests documented in this section 6 all consistently demonstrate the very limited solubility of slag, lead-zinc smelting. For this reason, the testing for terrestrial toxicity on arthropods 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
Slag, lead-zinc smelting is very stable also in soils, as is demonstrated by results on soil toxicity tests. Data obtained with soluble or slightly soluble zinc compounds are not considered relevant for slag, lead-zinc smelting
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