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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 486600Generated: October 30, 2026

Hydrochloric Acid → HCID 67851899, compound

https://huagongshe.com/reaction/486600

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantSodium SulfiteHCID 24437—
Reactant4-Chloro-3-(chlorosulphonyl)benzoic acidHCID 75613—
SolventWaterHCID 962—
ProductHCID 67851899HCID 67851899—

Reaction Steps

is obtained from 186 g of 5-carboxy-2-chlorobenzenesulfinic acid, prepared by reduction of 261 g of 5-carboxy-2-chlorobenzenesulfonyl chloride with 157 g of sodium sulfite in 700 ml of water at 70° C. at pH 9-10 and subsequent acidification using HCl, by neutralization with 67.6 g of caustic soda in 2 liters of water, removal of the latter by distillation and crystallization of the residue with acetone.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05292755
Source datasetuspto-grants-1994_03
ORD IDord-63a390847d6c495cbf2b69ef11fb6405
Source noteuspto-grants-1994_03