Chemical compositions and chemical compounds for use in engines, boilers, and for furnaces and smoke channels for preventing the formation of soot, for loosening soot deposits, for increasing and/or improving combustion, and for removing scale; and oil treatment and fuel control additive for the treatment of oil and furnace fuels, for treatment of diesel fuels and similar fuels for automotive purposes, and also for the treatment of fuels for marine boilers and marine engines, and for use as additives for fuel, all being goods in this class