Antimony is a semi-metallic chemical element in Group Va of the periodic table. It is a poor conductor of heat and electricity and is easily powdered to be used by itself. The chief ore of antimony is stibnite (Sb2S3, antimony trisulfide) which is produced in China and covers three-fourths of the world's mined antimony. It is also found in isomorphous mixture with arsenic, as allemonite. Substantial quantity of antimony are produced as a by-product in the smelting of base metal ores also. The pure antimony is produced from the ore by roasting it to form the oxide, then reducing the oxide with carbon or iron. Antimony is soluble in hot nitric or sulfuric acid and reacts with oxidizing acids and halogens (fluorine, chlorine, or bromine).
Antimony potassium tartrate is white crystalline powder with a sweetish taste It is used as a mordant or fixing agent in the leather and textile dying as well as an analytical reagent and flux additive for electoplating. It is used in making insecticides or pesticides. It was used as a parasiticide or as an emetic and expectorant.
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