ChEBI: Metformin hydrochloride is a hydrochloride resulting from the reaction of metformin with one molar equivalent of hydrogen chloride. It has a role as an environmental contaminant, a hypoglycemic agent and a xenobiotic. It contains a metformin(1+).
The boiling mixture of 1,000 L xylene, 450 kg dimethylamine and 840 kg dicyanamide was added 365 kg hydrogene chloride. Yield of biguanide, 1,1- dimethyl-, hydrochloride 1,588 kg (96%). Biguanide, 1,1-dimethyl-, hydrochloride may be recrystallysed from methanol.
