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Phosphoric acid

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Phosphoric acid

Molecular formula: H3O4P CAS# 7664-38-2
Categories: Inorganic acids
PubChem CID: 1004 | CHEBI:26078 | CHEMBL1187 | ChemSpider ID: 979
Names
English:
E-338
E338
Orthophosphoric acid
Phosphoric acid(IUPAC) [Wiki]
phosphoric(V) acid
trihydroxidooxidophosphorus(IUPAC)
trihydroxylphosphine oxide

Variants of the formula:

H3PO4
H(+)3P(+5)O(+2)4
H\O/P`|O|<_(A70,w+)O-H>_(A15,d+)O/H
HO-P`|O|<|OH>-OH
PO(OH)3
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Phosphoric acid is involved

  • PCl5 + 4H2O -> H3PO4 + 5HCl
  • P + 5HNO3"(60%)" = H3PO4 + 5NO2"|^" + H2O
  • 3P + 5HNO3"(30%)" + 2H2O = 3H3PO4 + 5NO"|^"
  • 4H3C-CH2-OH + PBr5 -> 4H3C-CH2-Br + PO(OH)3 + HBr
  • Ca3(PO4)2 + 3H2SO4 -> 2H3PO4 + 3CaSO4