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Environmental fate & pathways

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Biodegradation is not considered relevant for inorganic substances, including metals and metal compounds. However, in the assessment of environmental fate of zinc neodecanoate, basic, read-across to the assessment entities soluble zinc substances and neodecanoic acid is applied since the ions of zinc neodecanoate, basic determine the environmental fate of zinc neodecanoate, basic.

Zinc

Biodegradation is not applicable for zinc. For water, information is available on the removal of metals from the water column. The removal from the water column was modeled referring to the EUSES model parameters and different conditions of pH. Zinc is removed by > 70% under the reference conditions for EU regional waters (EUSES).

Neodecanoate:

Based on a GLP-conform OECD 301F test, neodecanoic acid is not readily biodegradable (11 % degradation after 28 days). Studies are not available to assess the biodegradability of neodecanoic acid under simulated conditions or in soil, but given the limited biodegradation in water, biodegradation under simulated conditions, or in soil is not expected to occur to a great extent.

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