1,3-Propanediaminium, N,N,N,N',N',N'-hexamethyl-, dibromide 13440-12-5 AMMONIUM, TRIMETHYLENEBIS(TRIMETHYL-, DIBROMIDE N,N,N,N',N',N'-Hexamethyl-1,3-propanediaminium dibromide Trimethonium bromide Trimethonium dibromide Trimethylenebis(trimethylammonium bromide) (6CI,7CI)