Products: S series
| Compound | Formula |
| Samarium Compounds (see Rare Earth compounds) |
|
| Selenic acid, 40% | H2SeO4 |
| Selenium (IV) bromide | SeBr4 |
| Selenium (I) chloride | SeCl |
| Selenium (IV) chloride | SeCl4 |
| Selenium (IV) oxide | SeO2 |
| Selenium (IV) oxychloride | SeOCl2 |
| Selenium (IV) telluride | SeTe |
| Silicon (IV) acetate | Si(C2H3O2)4 |
| Silicon (IV) bromide | SiBr4 |
| Silicon (IV) chloride | SiCl4 |
| Silicon (IV) iodide | SiI4 |
| Silicon (IV) oxide | SiO2 |
| Silver (I) antimony (III) selenide | AgSbSe2 |
| Silver (I) antimony (III) sulfide | AgSbS2 |
| Silver (I) antimony (III) telluride | AgSbTe2 |
| Silver (I) arsenic (III) selenide | AgAsSe2 |
| Silver (I) arsenic (III) sulfide | AgAsS2 |
| Silver (I) arsenic (III) telluride | AgAsTe2 |
| Silver (I) bismuth (III) selenide | AgBiSe2 |
| Silver (I) bismuth (III) sulfide | AgBiS2 |
| Silver (I) bismuth (III) telluride | AgBiTe2 |
| Silver (I) bromide | AgBr |
| Silver (I) chloride | AgCl |
| Silver (I) iodide | AgI |
| Silver (I) oxide | Ag2O |
| Silver (I) selenide | Ag2Se |
| Silver (I) telluride | Ag2Te |
| Silver (I) orthotungstate | Ag2WO4 |
| Silver (I) metavanadate | AgVO3 |
| Silver (I) metazirconate | Ag2ZrO3 |
| Sodium metaarsenite | NaAsO2 |
| Sodium metaniobate | NaNbO3 |
| Sodium metaniobate, heptahydrate | NaNbO3·7H2O |
| Sodium selenate | Na2SeO4 |
| Sodium selenite | NaSeO3 |
| Sodium monosulfide | Na2S |
| Sodium tetrasulfide | Na2S4 |
| Sodium metatantalate | NaTaO3 |
| Sodium tellurate | Na2TeO4 |
| Sodium tellurite | Na2TeO3 |
| Sodium thiomolybdate | Na2MoS4 |
| Sodium metatitanate | Na2TiO3 |
| Sodium metavanadate | NaVO3 |
| Sodium orthovanadate | Na3VO4 |
| Sodium pyrovanadate | Na4V2O7 |
| Sodium zincate | Na2ZnO2 |
| Sodium metazirconate | Na2ZrO3 |
| Strontium bromide | SrBr2 |
| Strontium bromide, hexahydrate | SrBr2·6H2O |
| Strontium iodide | SrI2 |
| Strontium iodide, hexahydrate | SrI2·6H2O |
| Strontium permanganate | Sr(MnO4)2 |
| Strontium orthomolybdate | SrMoO4 |
| Strontium metaniobate | Sr(NbO3)2 |
| Strontium selenate | SrSeO4 |
| Strontium selenite | SrSeO3 |
| Strontium tellurate | SrTeO4 |
| Strontium tellurite | SrTeO3 |
| Strontium metatitanate | SrTiO3 |
| Sulfur (II) bromide | S2Br2 |
