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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1288314Generated: October 25, 2026

Hydrochloric Acid → 4-Amino-3-nitrobenzene-1-sulfonamide

https://huagongshe.com/reaction/1288314

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant4-Acetylamino-3-nitrobenzenesulfonamideHCID 14226693—
Product4-Amino-3-nitrobenzene-1-sulfonamideHCID 2774388—

Reaction Steps

7.5 G. of 4-acetylamino-3-nitrobenzenesulfonamide is dissolved in 60 ml. of 6N hydrochloric acid and refluxed for 2 hours. The reaction mixture is cooled, filtered, and the solid material washed with water and dried. The dried 4-amino-3-nitrobenzenesulfonamide has a m.p. of 280°-210° C. and is of sufficient purity for use in the next step.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS03987199
Source datasetuspto-grants-1976_10
ORD IDord-d021e36181714ed4a50e7e56439e489e
Source noteuspto-grants-1976_10