Phosphoric Acid → Pyrophosphoric acid

HRID 1722525Notes

Reaction equation

HRID 1722525 reaction equation

[P:1](=[O:5])([OH:4])([OH:3])[OH:2]>C(O)C>[P:1]([O:4][P:1]([OH:4])([OH:3])=[O:2])([OH:3])([OH:2])=[O:5]

Participants

3

Reactant 1

HCID 1004Phosphoric Acid

Product 1

HCID 1023Pyrophosphoric acid

Reagents, catalysts & solvents 1

HCID 702EthanolSolvent

Procedure

An ethanol solution of the same free base is treated with phosphoric acid, yielding a colorless needle (diphosphoric acid). m.p. 212.0° C.

Sources & evidence

ORD record: ord-ca625ba994f349b6870eb28578a4fd2e
Source dataset: uspto-grants-1989_08
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US04855497

Reaction notes

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