7 P4 + 12 NaOH + 24 H2O 12 NaHPO3 + 16 PH3

This is an oxidation-reduction (redox) reaction:

16 P0 + 48 e- 16 P-III (reduction)

12 P0 - 48 e- 12 PIV (oxidation)

P4 is both an oxidizing and a reducing agent (disproportionation).

Reactants:

  • P4
  • NaOH
    • Names: Sodium hydroxide source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04source: NIOSH NPG, accessed on: 2019-09-02, Caustic soda source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04source: NIOSH NPG, accessed on: 2019-09-02, Lye source: wikidata, accessed on: 2019-09-02
    • Appearance: White, waxy, opaque crystals source: wikipedia, accessed on: 2019-09-27; White hygroscopic solid in various forms source: ICSC, accessed on: 2019-09-04; Colorless to white, odorless solid (flakes, beads, granular form). source: NIOSH NPG, accessed on: 2019-09-02
  • H2OWater, oxidane source: wikipedia, accessed on: 2019-09-27
    • Other names: Water (H2O) source: wikipedia, accessed on: 2019-09-27, Hydrogen hydroxide (HH or HOH) source: wikipedia, accessed on: 2019-09-27, Hydrogen oxide source: wikipedia, accessed on: 2019-09-27
    • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas source: wikipedia, accessed on: 2019-09-27

Products:

  • NaHPO3
  • PH3Phosphane source: wikipedia, accessed on: 2019-09-27
    • Other names: Phosphine source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04source: NIOSH NPG, accessed on: 2019-09-02, Phosphamine source: wikipedia, accessed on: 2019-09-27, Phosphorus trihydride source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04source: NIOSH NPG, accessed on: 2019-09-02
    • Appearance: Colorless gas source: wikipedia, accessed on: 2019-09-27; Colourless compressed liquefied gas source: ICSC, accessed on: 2019-09-04; Colorless gas with a fish- or garlic-like odor. [pesticide] [Note: Shipped as a liquefied compressed gas. Pure compound is odorless.] source: NIOSH NPG, accessed on: 2019-09-02