Registration Dossier
Registration Dossier
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EC number: 266-030-3 | CAS number: 65996-95-4 Substance obtained by acidulating phosphate rock with phosphoric acid. Normally characterized as containing 40% or more available phosphoric oxide (P2O5). Composed primarily of calcium phosphate.
Phototransformation in soil
Administrative data
Link to relevant study record(s)
Description of key information
Key value for chemical safety assessment
Additional information
When triple superphosphate is applied to soil, the water-soluble monocalcium phosphate rapidly dissolves in the soil solution. In calcareous, neutral, or slightly acidic soil, it is quickly precipitated as available dicalcium phosphate by calcium ions present in the soil solution. In acidic soil, phosphate is precipitated by iron and aluminum compounds (SIDS, 2007).
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