What is Antimony trisulfide?
[[File:Sulfid antimonitý.JPG|thumb|Antimony trisulfide]] '''Antimony trisulfide''', also known as '''antimony(III) sulfide''', is a [[chemical compound]]. Its [[chemical formula]] is Sb<sub>2</sub>S<sub>3</sub>. It has [[antimony]] and [[sulfide]] [[ion]]s in it. The antimony is in its +3 [[oxidation state]]. ==Properties== Antimony trisulfide is a gray [[solid]]. It reacts with [[hydrochloric acid]] to make [[hydrogen sulfide]] and an antimony(III) compound. It dissolves in [[potassium hydroxide]]. It burns in air to make [[antimony(III) oxide]] and [[sulfur dioxide]]. It is a [[reducing agent]]. ==Occurrence== [[Stibnite]] is the [[mineral]] form of antimony trisulfide. ==Preparation== Antimony trisulfide is made in the laboratory by reacting any antimony(III) compound with hydrogen sulfide. ==Uses== Antimony trisulfide is used in [[cosmetics]]; in this area it is called [[kohl]]. It is used in [[pyrotechnics]] to make a glitter effect. It is also used in the heads of [[safety match]]es. It used to be used in flash powder before electronic flashes were used. ==Related pages== *[[Antimony trichloride]] *[[Bismuth(III) sulfide]] [[Category:Antimony compounds]] [[Category:Sulfur compounds]]