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Environmental fate & pathways

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The estimated bioconcentration factor (BCF) for α,α-bis[4-(dimethylamino)phenyl]-4-(phenylamino)naphthalene-1-methanol (Solvent Blue 4) is 10000, which exceed the bioconcentration threshold of 2000. From this it is concluded that α,α-bis[4-(dimethylamino)phenyl]-4-(phenylamino)naphthalene-1-methanol is expected to bioaccumulate in the food chain