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EC number: 202-947-7
CAS number: 101-50-8
Bioaccumulation : Aquatic / Sediment
Bioaccumulation is the process by which the chemical concentration in an aquatic organism achieves a level that exceeds that in the water, as a result of chemical uptake through all possible routes of exposure. The relationship between bioaccumulation and bio-concentration is that, chemicals that have the potential to bioconcentrate also have the potential to bioaccumulate. Bioaccumulation is closely related to the Bioconcentration factor (BCF).
The estimated bioconcentration factor (BCF) for 4-aminoazobenzene-3,4'-disulphonic acid is 3.2 which does not exceed the bioconcentration threshold of 2000. Thus it is concluded that 4-aminoazobenzene-3,4'-disulphonic acid is not expected to bioaccumulate in the food chain because it does not exceed the BCF criteria.
The supporting study also indicates that the BCF of 4-aminoazobenzene-3,4'-disulphonic acid to be 3.164 L/Kg indicating its non bioaccumulative nature.
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