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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1356705Generated: October 25, 2026

Stearic Acid → Stearamidopropyl Dimethylamine

https://huagongshe.com/reaction/1356705

Reaction equation

Participants

RoleNameHCIDCharge
ReactantStearic AcidHCID 5281—
ReactantN,N-Dimethyl-1,3-propanediamineHCID 7993—
ProductStearamidopropyl DimethylamineHCID 62109—

Reaction Conditions

Temperature180 °C

Reaction Steps

A 300 g (1.05 mol) portion of octadecanoic acid was put into a flask and melted by stirring at 180° C. in an atmosphere of nitrogen. To this was added dropwise 113.1 g (1.11 mol) of N,N-dimethyl-1,3-diaminopropane spending 3 hours, thereby effecting the reaction while evaporating the generated water. After completion of the dropwise addition, this was further stirred at 180° C. for 4 hours in an atmosphere of nitrogen. Thereafter, the unreacted material amine remained in the reaction mixture was evaporated under a reduced pressure to obtain the title compound as a light brown waxy solid (melting point 64-67° C.).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06586639B2
Source datasetuspto-grants-2003_07
ORD IDord-15e40c1b0f61409e9fd01a0c7a325e9b
Source noteuspto-grants-2003_07