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Environmental fate & pathways

Bioaccumulation: aquatic / sediment

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Description of key information

The log kow of CYA is - 1.31 indicating no potential to bioaccumulate. In a study to determine cyanuric acid residues in catfish and trout following oral administration of 20 mg/kg cyanuric residues had decreased to a similar level to the controls by day 3. Cyanuric acid does not have any potential to bioaccumulate.  

Key value for chemical safety assessment

Additional information

The Log Kow of cyanuric acid is ≤ 3. In a supporting study in catfish and trout (Reimschuessel et al 2009) cyanuric acid was administered as a single oral dose at 20 mg/kg bw. Cyanuric acid residues in all dosage groups on day 3 had decreased to a level similar to the controls. Cyanuric acid t1/2 was less than 1 day in catfish and between 1 and 2 days in trout. Cyanuric acid has no potential to bioaccumulate.