Ammonium bromate is a chemical compound with the chemical formula .
Synthesis Ammonium bromate can be prepared by combining aqueous solutions of ammonium chloride and sodium bromate. The product precipitates out upon cooling and can be collected by filtration:
Physical properties Ammonium bromate forms colorless crystals, soluble in water, but poorly soluble in ethanol.
It is a severe explosion hazard.
Chemical properties Ammonium bromate is a very unstable compound that slowly decomposes at :
If heated to (or randomly when stored at room temperature) it explodes, leaving no solid residues:
It also decomposes significantly when stored in a desiccator containing calcium chloride, changing color to yellow and then reddish brown.
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