Registration Dossier
Registration Dossier
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EC number: 208-655-6 | CAS number: 537-01-9
Toxicity to soil microorganisms
Administrative data
Link to relevant study record(s)
Description of key information
By analogy with cerium dioxide, dicerium tricarbonate should not show any toxicity to carbon-mineralizing micro-organism.
Key value for chemical safety assessment
Additional information
An experimental study, scored as Klimisch 2 (Muttzall P.I. & Hanstveit A.O. , 1996) is selected as a key study, showing that cerium dioxide is not harmfull to tested soil microorganisms.
This data is used in a read-accross approach to conclude on the acute toxicity propreties to the soil micro-organisms.
Cerium dioxide shows no adverse effect on the carbon mineralisation activity of the microbial biomass in soil. Cerium dioxide is therefore not expected to have a long-term influence on carbon mineralisation in soil. Consequently, the dicerium carbonate is not expected to present this kind of toxicity properties.
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