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Environmental fate & pathways

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Phosphoric acid, potassium salt (2:3), dihydrate is soluble in water (water solubility 750 g/L) where it will be completely dissociated. The adsorption potential is expected to be low for this substance, and, since the substance is not volatile (vapour pressure 1.9 x 10-6Pa), it will be mainly distributed in the water phase once released into the environment.