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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 129167Generated: October 26, 2026

Acetaldehyde → Acetaldehyde 4-chlorophenylhydrazone

https://huagongshe.com/reaction/129167

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetaldehydeHCID 177—
ReactantHydrazine, (4-chlorophenyl)-, hydrochloride (1:1)HCID 71600—
ReactantSodium AcetateHCID 517045—
SolventEthanolHCID 702—
SolventWaterHCID 962—
ProductAcetaldehyde 4-chlorophenylhydrazoneHCID 67673770—

Reaction Steps

4-Chlorophenylhydrazine hydrochloride (5.0 g) and 3.4 g of sodium acetate were dissolved in a mixture of 50 ml of water and 25 ml of ethanol, to which 1.69 g of 80% acetaldhyde aqueous solution were added dropwise at room temperature, and the resulting mixture was stirred for 30 minutes at room temperature. After adding 50 ml of water, the reaction mixture was extracted with ethyl acetate. The organic layer was washed with water and saturated sodium chloride solution, dried and distilled off to give acetaldehyde 4-chlorophenylhydrazone as an oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05466820
Source datasetuspto-grants-1995_11
ORD IDord-8abcb0682f5d4707b13980b7e95140a1
Source noteuspto-grants-1995_11