Chemistry:Strontium phosphide
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| Names | |
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| Other names
Tristrontium diphosphide
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| Identifiers | |
3D model (JSmol)
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| ChemSpider | |
| EC Number |
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PubChem CID
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| UN number | 2013 |
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| Properties | |
| P2Sr3 | |
| Molar mass | 324.8 |
| Appearance | Black crystalline material |
| Density | 2.68 g/cm3 |
| Decomposes in water | |
| Structure | |
| cubic | |
| Related compounds | |
Other anions
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Calcium phosphide Barium phosphide |
Other cations
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Strontium nitride Strontium arsenide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| Infobox references | |
Tracking categories (test):
Strontium phosphide is an inorganic compound of strontium and phosphorus with the chemical formula Sr3P2.[1][2] The compound looks like black crystalline material.[citation needed]
Synthesis
Heating strontium phosphate with soot in an arc furnace:
- [math]\ce{ Sr3(PO4)2 + 8C -> Sr3P2 + 8CO }[/math]
Reaction of strontium with red phosphorus at high temperature:[citation needed]
- [math]\ce{ 6Sr + P4 -> 2Sr3P2 }[/math]
Physical properties
Strontium phosphide forms black crystals.[citation needed]
Thermally stable, melts at high temperatures.
Dangerous when wet, poison.[3]
Chemical properties
Decomposes with water releasing phosphine:[citation needed]
- [math]\ce{ Sr3P2 + 2H2O -> 3Sr(OH)2 + 2PH3 }[/math]
Reacts with acids:
- [math]\ce{ Sr3P2 + 6HCl -> 3SrCl2 + 2PH3 }[/math]
Uses
It is a highly reactive substance used as a reagent and in the manufacture of chemically reactive devices.[4]
References
- ↑ "Strontium Phosphide" (in en). American Elements. https://www.americanelements.com/strontium-phosphide-12504-16-4.
- ↑ Wang, Junjie; Hanzawa, Kota; Hiramatsu, Hidenori; Kim, Junghwan; Umezawa, Naoto; Iwanaka, Koki; Tada, Tomofumi; Hosono, Hideo (8 November 2017). "Exploration of Stable Strontium Phosphide-Based Electrides: Theoretical Structure Prediction and Experimental Validation". Journal of the American Chemical Society 139 (44): 15668–15680. doi:10.1021/jacs.7b06279. PMID 29023114. https://pubs.acs.org/doi/10.1021/jacs.7b06279. Retrieved 13 December 2021.
- ↑ (in en) Toxic Substances Control Act (TSCA) Chemical Substance Inventory. U.S. Government Printing Office. 1979. p. 11. https://books.google.com/books?id=EwXoYmUt_B0C&dq=strontium+phosphide+Sr3P2&pg=RA2-PA49. Retrieved 13 December 2021.
- ↑ "STRONTIUM PHOSPHIDE | CAMEO Chemicals | NOAA". cameochemicals.noaa.gov. https://cameochemicals.noaa.gov/chemical/4551.
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