... flame retardants. A portion of U.S. consumption is in antimony alloys. Antimony is mixed (that is, alloyed) with other metals, ... variety of minor uses, including medicines, fireworks, and others. Antimony oxide is a brilliant yellow color, accounting for much of ... to make semiconductors. To be useful in this application, antimony has to be 99.999% pure. SpecificationChemical CompositionAntimony(Sb) ...