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Environmental fate & pathways

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Biodegradation of Zinc, 5,5'-azobis-2,4,6(1H,3H,5H)-pyrimidinetrione complexes and melamine was assessed in two GLP and OECD guideline studies (OECD 301B and OECD 301C). After 28 days 0% and 4.4% degradation were reported. Thus, the substance is regarded as “not readily biodegradable” in water.