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Environmental fate & pathways

Bioaccumulation: aquatic / sediment

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Description of key information

BCF: 137–1470 (0.01 mg/L) and 181–667 (0.001 mg/L). The experimental worst-case BCF taken forward to the chemical safety assessment is 1470. This finding is supported by several QSAR estimates.

Key value for chemical safety assessment

BCF (aquatic species):
1 470 dimensionless

Additional information

Bioaccumulation of dicumyl peroxide in fish was determined in a study according to OECD guideline 305 C. BCF values of 137–1470 (0.01 mg/L) and 181–667 (0.001 mg/L) were determined. These results indicate a low to moderate potential for accumulation of dicumyl peroxide in fish. This result is supported by QSAR calculations. Not all of them are independent estimates (since dicumyl peroxide being contained in the reference data set), but the VEGA read-across model which is truly independent clearly supports a BCF of < 2000 (VEGA estimate: BCF = 517). Accordingly, there is compelling overall evidence that dicumyl peroxide has only a low to moderate bioaccumulation potential.