Sb₂S₃ (s) + 6 HCl (aq) → 2 SbCl₃ (aq) + 3 H₂S (g)

Reactants:

• Sb₂S₃ – Diantimony trisulfide antimony(III) sulfide
  • Other names: Antimony trisulfide , Antimony sulfide , Antimonous sufide ... show moreAntimony sesquisulfide , Antimony vermilion , Black antimony , Sulphuret of antimony show less
  • Appearance: Grey / black orthorhombic crystal (stibnite)
• HCl – Chlorane , Hydrogen chloride
  • Other names: Hydrochloric acid , M , Uriatic acid ... show moreHydronium chloride , Chlorhydric Acid , Hydrochloric acid gas , HCl , Anhydrous hydrogen chloride , Hydrochloric acid, anhydrous , Aqueous hydrogen chloride , [Note: Often used in an aqueous solution.] show less
  • Appearance: Colorless, transparent liquid, fumes in air if concentrated ; Colorless gas ; Colourless compressed liquefied gas with pungent odour ; Colorless to slightly yellow gas with a pungent, irritating odor. [Note: Shipped as a liquefied compressed gas.]

Products:

• SbCl₃ – Antimony trichloride , Trichlorostibane
  • Other names: Antimony(III) chloride , Butter of antimony , Antimonous chloride ... show moreStibous chloride , Trichlorostibine , Antimony(III) trichloride , Sb2Cl6 , Antimony chloride , SbCl3 show less
  • Appearance: Colorless solid, very hygroscopic ; Colourless hygroscopic crystals with pungent odour
• H₂S – Hydrogen sulfide
  • Other names: D , Ihydrogen monosulfide|Dihydrogen sulfide|Sewer gas|Sulfane|Sulfurated hydrogen|Sulfureted hydrogen|Sulfuretted hydrogen|Sulfur hydride|Hydrosulfuric acid|Hydrothionic acid|Thiohydroxic acid|Sulfhydric acid}} , Hydrosulfuric acid ... show moreSewer gas , Sulfuretted hydrogen , H2S , Hydrogen sulphide , [SH2] , Dihydrogen sulfide , Dihydrogen monosulfide , Hydrogen monosulfide , Sulfide , Zwavelwaterstof , Sulfur hydroxide , Siarkowodor , Idrogeno solforato , Dihydrogen disulfide , Hydrosulfurate , Sulfureted hydrogen , Sulfur hydride , Hepatate , Sour gas , Hepatic gas , Stink dAMP , Hepatic acid , Dihydrogen sulphide show less
  • Appearance: Colorless gas ; Colourless compressed liquefied gas with characteristic odour of rotten eggs ; Colorless gas with a strong odor of rotten eggs. [Note: Sense of smell becomes rapidly fatigued & can NOT be relied upon to warn of the continuous presence of H2S. Shipped as a liquefied compressed gas.]