P2O5 + 2 HClO4 → Cl2O7 + 2 HPO3

Reactants:

  • P2O5
    • Names: Phosphorus pentoxide source: wikipedia, accessed: 2019-09-27source: ICSC, accessed: 2019-09-04, Diphosphorus pentoxide source: wikipedia, accessed: 2019-09-27source: ICSC, accessed: 2019-09-04, Phosphorus(V) oxide source: wikipedia, accessed: 2019-09-27
    • Appearance: White powder | very deliquescent | odorless source: wikipedia, accessed: 2019-09-27; Hygroscopic white crystals or powder source: ICSC, accessed: 2019-09-04
  • HClO4 – Chloric(VII) acid source: wikipedia, accessed: 2019-09-27
    • Other names: Perchloric acid source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Hyperchloric acid source: wikipedia, accessed: 2019-09-27, Perchloric acid (72% solution) source: ICSC, accessed: 2019-09-04, Hydronium perchlorate source: ICSC, accessed: 2019-09-04
    • Appearance: Colorless liquid source: wikipedia, accessed: 2019-09-27; Colourless liquid with pungent odour source: ICSC, accessed: 2019-09-04

Products:

  • Cl2O7 – Dichlorine heptoxide source: wikipedia, accessed: 2019-09-27
    • Other names: Chlorine(VII) oxide; Perchloric anhydride; (Perchloryloxy)chlorane trioxide source: wikipedia, accessed: 2019-09-27
    • Appearance: Colorless liquid source: wikipedia, accessed: 2019-09-27
  • HPO3