Use to make smoke compositions for military training. Makes very dense white smoke. The smoke is acidic and noxious (similar to HC smoke formulations). Use in well ventilated areas, out of doors. Not for indoor use. Sulfamic acid melts at 205 °C before decomposing at higher temperatures to H2O, SO3, SO2, and N2. It is also added to water to make concrete cleaners; Catalyst for esterification process; Dye and pigment manufacturing; Herbicide; Coagulator for urea-formaldehyde rsins; the liquid silver cleaning product TarnX® contains thiourea, a detergent, and sulfamic acid.