What are the physical and chemical properties of 1-Methyl-1,2,3,6-tetrahydropyridine hydrochloride (CAS: 73107-26-3)?

1-Methyl-1,2,3,6-tetrahydropyridine hydrochloride is a white crystalline solid with a molecular weight of approximately 227.66 g/mol. It is slightly soluble in water and more soluble in organic solvents like ethanol. The compound is moderately reactive, showing good stability under normal conditions but can degrade under acidic or basic conditions. It has a pKa of about 1.5 and is used as a proton donor in various chemical reactions.