次りん酸マグネシウム

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• 説明

  Magnesium hypophosphate has themolecular formula of Mg2P2O4. It can be formed by an aqueous solution of hypophosphorus acid and a soluble magnesium salt:
  2MgCl2 (aq) +H4P2O4 (aq) ? Mg2P2O4 (solid) + 2HCl (aq)
  The magnesium salt solution is added until no precipitate results. Alternatively, sodium hypophosphate can be used to produce a basic solution instead of acidic. The acidic product is a magnesium hydrogen hypophosphate, MgH2P2O6·4H2O. This salt is much more soluble in water (~0.05 g/100 ml) than the basic product that is a decahydrate, Mg2P2O4·12H2O. The latter compound is much less soluble at 0.00072 g/100 ml. Neither of these salts has a CAS number.
  The crystal structure of the anhydrate or the hydrates has not been determined. The thermal decomposition of either of these two salts has not been determined.

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