Ammonium bromate is a chemical compound with the chemical formula .
Synthesis.
Ammonium bromate can be made by draining cold solutions of ammonium chloride and sodium bromate:
Physical properties.
Ammonium bromate forms colorless crystals, soluble in water, but poorly soluble in ethanol.
It is highly explosive.
Chemical properties.
Ammonium bromate is a very unstable compound that slowly decomposes at −5 °C and explodes at 54 °C. The decomposition proceeds as follows:
It also decomposes significantly when stored in a desiccator containing calcium chloride, changing color to yellow and then reddish brown.