Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 846535Generated: October 29, 2026

Hydrochloric Acid → HCID 19882852, compound

https://huagongshe.com/reaction/846535

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantWaterHCID 962—
ReactantTetrafluoro-m-phenylenediamine dihydrochlorideHCID 149026—
ReactantHCID 19003920HCID 19003920—
ReactantSodium NitriteHCID 23668193—
ProductHCID 19882852HCID 19882852—

Reaction Steps

A solution of 0.106 moles (7.3 g) of sodium nitrite in 17 ml of water is added dropwise at 0° C. to a solution of 0.05 moles (18.5 g) of N,N'-bis(ethyl)-N,N'-bis(3'-methylphenyl)ethylenediamine, in the dihydrochloride form prepared in the preceding stage, 20 ml of concentrated hydrochloric acid and 105 g of ice. After the end of addition the stirring is continued for 30 minutes. The hydrochloride of the expected product crystallizes.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05137538
Source datasetuspto-grants-1992_08
ORD IDord-e3be326c3fba490bb7f95411df10fb8a
Source noteuspto-grants-1992_08