4 NaOH + H4P2O7 Na4P2O7 + 4 H2O

Reactants:

  • NaOH
    • Names: Sodium hydroxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Caustic soda source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Lye source: wikidata, accessed: 2019-09-02
    • Appearance: White, waxy, opaque crystals source: wikipedia, accessed: 2019-09-27; White hygroscopic solid in various forms source: ICSC, accessed: 2019-09-04; Colorless to white, odorless solid (flakes, beads, granular form). source: NIOSH NPG, accessed: 2019-09-02
  • H4P2O7Diphosphoric acid source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Μ-oxido-bis(dihydroxidooxidophosphorus) source: wikipedia, accessed: 2019-09-27
    • Other names: Pyrophosphoric acid source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Phosphonooxyphosphonic acid source: wikidata, accessed: 2019-09-02, Pyrophosphate source: wikidata, accessed: 2019-09-02

Products:

  • Na4P2O7Tetrasodium diphosphate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: NIOSH NPG, accessed: 2019-09-02
    • Other names: Tetrasodium pyrophosphate source: wikipedia, accessed: 2019-09-27source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02source: wikidata, accessed: 2019-09-02, Pyrophosphate source: wikipedia, accessed: 2019-09-27source: NIOSH NPG, accessed: 2019-09-02, Sodium pyrophosphate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02
    • Appearance: Colorless or white crystals source: wikipedia, accessed: 2019-09-27; Odourless colourless or white crystals or powder source: ICSC, accessed: 2019-09-04; Odorless, white powder or granules. [Note: The decahydrate (Na4P2O7 • 10H2O) is in the form of colorless, transparent crystals.] source: NIOSH NPG, accessed: 2019-09-02
  • H2OWater, oxidane source: wikipedia, accessed: 2019-09-27
    • Other names: Water (H2O) source: wikipedia, accessed: 2019-09-27, Hydrogen hydroxide (HH or HOH) source: wikipedia, accessed: 2019-09-27, Hydrogen oxide source: wikipedia, accessed: 2019-09-27
    • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas source: wikipedia, accessed: 2019-09-27