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Environmental fate & pathways

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Biodegradation test was conducted on analogue substance 1 that, under the test conditions, showed a solubility <50 mg/l, required by the guideline OECD302B for validity criteria. Based on the very low solubility of the substance under the test conditions the analogue substance 1 did not show any degradation potential. Based on the read across considerations, the same can be applied to Basic Brown 1 Acetate which is considered as not biodegradable.