Strontium phosphide

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title: "Strontium phosphide" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["phosphides", "strontium-compounds"] topic_path: "general/phosphides" source: "https://en.wikipedia.org/wiki/Strontium_phosphide" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

| ImageFile = | ImageSize = 200px | ImageAlt = | IUPACName = | OtherNames = Tristrontium diphosphide | Section1 = {{Chembox Identifiers | CASNo = 12504-16-4 | PubChem = 166710 | ChemSpiderID = 145854 | EINECS = 235-678-9 | UNNumber = 2013 | SMILES = [P-3].[P-3].[Sr+2].[Sr+2].[Sr+2] | StdInChI= 1S/2P.3Sr/q2*-3;3*+2 | StdInChIKey= ATAJSUOOOWSVGL-UHFFFAOYSA-N | Section2 = {{Chembox Properties | Sr=3|P=2 | Appearance = Black crystalline material | Density = 2.68 g/cm3 | MolarMass = 324.8 | Solubility = Decomposes in water | MeltingPtC = | BoilingPtC = | VaporPressure = | Section4 = {{Chembox Structure | CrystalStruct = cubic | Section7 = {{Chembox Hazards | MainHazards = | GHSPictograms = | GHSSignalWord = | HPhrases = | PPhrases = | FlashPtC = | AutoignitionPt = | Section9 = {{Chembox Related | OtherAnions = Calcium phosphide Barium phosphide | OtherCations = Strontium nitride Strontium arsenide | OtherFunction = | OtherFunction_label = | OtherCompounds =

Strontium phosphide is an inorganic compound of strontium and phosphorus with the chemical formula . The compound looks like black crystalline material.

Synthesis

Heating strontium phosphate with soot in an arc furnace:

:

Reaction of strontium with red phosphorus at high temperature: :

Physical properties

Strontium phosphide forms black crystals.

Thermally stable, melts at high temperatures.

Dangerous when wet, poison.

Chemical properties

Decomposes with water releasing phosphine: :

Reacts with acids: :

Uses

It is a highly reactive substance used as a reagent and in the manufacture of chemically reactive devices.

References

References

  1. "Strontium Phosphide". [[American Elements]].
  2. (8 November 2017). "Exploration of Stable Strontium Phosphide-Based Electrides: Theoretical Structure Prediction and Experimental Validation". [[Journal of the American Chemical Society]].
  3. (1979). "Toxic Substances Control Act (TSCA) Chemical Substance Inventory". [[U.S. Government Printing Office]].
  4. "STRONTIUM PHOSPHIDE {{!}} CAMEO Chemicals {{!}} NOAA". cameochemicals.noaa.gov.

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phosphidesstrontium-compounds