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{{Chembox <!-- Images --> Line 6 ⟶ 5: | ImageCaption = <!-- Names --> | IUPACName = lanthanum(3+);trisulfide | OtherNames = Dilanthanum trisulfide, lanthanum sesquisulfide <!-- Sections --> | Section1 = {{Chembox Identifiers | CASNo = 12031-49-1 | PubChem = 165996 | ChemSpiderID = 145449 | EINECS = 235-592-1 | DTXSID = DTXSID40923320 | StdInChI=1S/2La.3S/q2*+3;3*-2 | StdInChIKey = YTYSNXOWNOTGMY-UHFFFAOYSA-N | SMILES = [S-2].[S-2].[S-2].[La+3].[La+3] }} | Section2 = {{Chembox Properties |La=2| S=3 | Appearance = | Density = 4.9 g/cm<sup>3</sup><ref>{{cite web |title=Lanthanum Sulfide |url=https://www.americanelements.com/lanthanum-sulfide-12031-49-1 |publisher=[[American Elements]] |access-date=27 July 2024 |language=en}}</ref>
| Solubility = reacts with hot water | MeltingPtC = 2100 | BoilingPtC = }} | Section3 = {{Chembox Hazards | GHSPictograms = {{GHS07}}{{GHS02}} | GHSSignalWord = | MainHazards = | FlashPt = | AutoignitionPt = }} | Section4 = {{Chembox Structure | CrystalStruct = [[cubic system|cubic]] }} | Section7 = {{Chembox Hazards Line 33 ⟶ 39: }} | Section6 = {{Chembox Related | OtherCations = [[ }} }} '''Lanthanum(III) sulfide''' is a binary [[inorganic]] chemical compound of [[ ==Synthesis==
::{{chem2|
::{{chem2| The effect of [[hydrogen sulfide]] on [[lanthanum oxide]] in the presence of [[reducing ::{{chem2|La2O3 + ==Physical properties==
==Chemical properties== * Reacts with hot water: ::{{chem2|La2S3 + 6 H2O -> 2 La(OH)3 + 3 HS}} * Reacts with acids: ::{{chem2|La2S3 + 3 HCl -> 2 LaCl3 + 3 H2S}} * Oxidized by oxygen in athmosphere: ▲Does not dissolve in cold water. ::{{chem2|2 La2S3 + 9 O2 -> 2 La2O3 + 6 SO2}} ==Uses== {{chem2|La2S3}} is used as a precursor to prepare complex compounds. It is also used in glass manufacturing and in [[optical fiber]]s.<ref>{{cite web |title=Lanthanum(III) sulfide, 99% (REO), Thermo Scientific Chemicals {{!}} Fisher Scientific |url=https://www.fishersci.ca/shop/products/lanthanum-iii-sulfide-99-reo-thermo-scientific/p-4824774 |publisher=[[Fisher Scientific]] |access-date=27 July 2024 |language=en}}</ref> ==References== Line 62 ⟶ 79: [[Category:Lanthanum compounds]] [[Category: |