Tribasic Sodium Phosphate

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Na₃PO₄ (anhydrous) 163.94
Trisodium phosphate, monohydrate
181.96
Phosphoric acid, trisodium salt, dodecahydrate;
Trisodium phosphate, dodecahydrate
380.13
[10101-89-0] Anhydrous [7601-54-9]

DEFINITION

Tribasic Sodium Phosphate is anhydrous or contains one to twelve molecules of water of hydration. Na₃PO₄ (anhydrous) and Na₃PO₄·H₂O (monohydrate) contain NLT 97.0% of Na₃PO₄, calculated on the ignited basis. Na₃PO₄·12H₂O (dodecahydrate) contains NLT 92.0% of Na₃PO₄, calculated on the ignited basis.

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