Hydrochloric Acid → Pyrophosphoric acid

HRID 2298567Notes

Reaction equation

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

Participants

Reactant 2

HCID 313Hydrochloric Acid

HCID 1004Phosphoric Acid

Product 1

HCID 1023Pyrophosphoric acid

Procedure

To do this, a concentrated orthophosphoric acid is entered into a cooled hydrochloric acid solution, while being mixed. In order to produce pyrophosphoric acid (H4P2O7) according to the reaction:

Workup

additionwhile being mixed

Sources & evidence

ORD record: ord-4bda9deace6a45d9a7632dc8f0f3586c
Source dataset: uspto-grants-2002_12
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US06492642B1

Reaction notes

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