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Environmental fate & pathways

Bioaccumulation: aquatic / sediment

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Description of key information

The bioaccumulation potential of fluoride from the substance will therefore be limited by its low water solubility and its tendency to adsorb to sediment.

Key value for chemical safety assessment

Additional information

The substance is of simple inorganic structure and is of low water solubility. the substance will dissociate to some extent (as determined by the limit of solubility) in the aqueous environment and dissociate to form calcium and fluoride ions, both of which are environmentally ubiquitous. Calcium is also ubiquitous in living species, is taken up normally from the environment and is therefore not considered further. Fluoride is also taken up from the environment and typically accumulates in plant species, and in the skeleton or exoskeleton of animal species. Fluoride also adsorbs strongly to sediment and is transformed to other mineral species. The bioaccumulation potential of fluoride from the substance will therefore be limited by its low water solubility and its tendency to adsorb to sediment.