What is Na4P2O7? Important knowledge about Na4P2O7.

Definition of Na₄P₂O₇
Na₄P₂O₇, also known as Tetrasodium pyrophosphate or tetrasodium phosphate, is a type of chemical compound. It belongs to the group of sodium salts of pyrophosphoric acid. Na₄P₂O₇ has a molar mass of 265.902 g/mol. This compound is formed from 4 sodium atoms, 2 phosphorus atoms, and 7 oxygen atoms. It forms ions Na+ and P₂O₇ 4-.

Properties: Na₄P₂O₇
2.1 Physical properties of Na₄P₂O₇: Na₄P₂O₇ commonly appears as a white powder. It does not have a particular smell and has a neutral pH when dissolved in water.
2.2 Chemical properties of Na₄P₂O₇: Na₄P₂O₇ has the ability to chelate metals, in which it forms complex compounds with metal ions.

Common chemical equations involving Na₄P₂O₇
Na₄P₂O₇ typically does not react with metals, acids, or non-metals. However, it can react with salts to form complex compounds.

Synthesis of Na₄P₂O₇
Na₄P₂O₇ can be synthesized by heating sodium orthophosphate at high temperatures. On an industrial scale, Na₄P₂O₇ is typically produced through the reaction between Na₂HPO₄ and NaOH at high temperatures.