Description: PROIN (phenylpropanolamine hydrochloride) is a sympathomimetic amine closely related to ephedrine.
Phenylpropanolamine hydrochloride (PPA) is the nonproprietary designation for benzenemethanol,α – (1-aminoethyl) – hydrochloride, (R*,S*) – , (± ).
The empirical formula is C9H13NO• HCl and the molecular weight is 187.67. It is a white crystalline compound having a slight aromatic odor.
PPA is freely soluble in water and alcohol but is practically insoluble in ether, benzene and chloroform. The chemical structure of phenylpropanolamine hydrochloride is: