Sulfur free propellant compositions for use as a blackpowder substitute in
firearms, munitions, and pyrotechnics to form combustion byproducts that
are water soluble and are free of corrosive sulfur compounds.
Formulations include an ignition aid of a gluconic acid salt or an alkali
metal nitrobenzoate salt or a mixture of the two salts in combination
with various known oxidizing and reducing agents and with various known
propellant additives. The oxidizing and reducing agents may be selected
from the group consisting of carbon, lactose, potassium nitrate,
potassium perchlorate, sodium benzoate, and mixtures thereof. The
propellant additives may be selected from the group consisting of
binders, burning rate modifiers, flow agents, colorants, coating agents,
moisture retardants and mixtures thereof.