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antimony trisulfide

noun, Chemistry
a black or orange-red, crystalline, water-insoluble solid, Sb 2 S 3 , used chiefly as a pigment in paints and in the manufacture of fireworks and matches. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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  • It is prepared by direct chlorination of antimony trioxide, antimony trisulfide or antimony.

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