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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1491791Generated: October 26, 2026

Acetaldehyde → Acetaldehyde 4-chlorophenylhydrazone

https://huagongshe.com/reaction/1491791

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 numberUS05371101
Source datasetuspto-grants-1994_12
ORD IDord-7768d0fc624a47a68ecda1fc97c4fea5
Source noteuspto-grants-1994_12