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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2298567Generated: October 29, 2026

Hydrochloric Acid → Pyrophosphoric acid

https://huagongshe.com/reaction/2298567

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantPhosphoric AcidHCID 1004—
ProductPyrophosphoric acidHCID 1023—

Reaction Steps

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:

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06492642B1
Source datasetuspto-grants-2002_12
ORD IDord-4bda9deace6a45d9a7632dc8f0f3586c
Source noteuspto-grants-2002_12