Strontium_phosphide Knowpia

Strontium phosphide
Names
	Other names Tristrontium diphosphide
Identifiers
CAS Number	12504-16-4;
3D model (JSmol)	Interactive image;
ChemSpider	145854;
ECHA InfoCard	100.032.422
EC Number	235-678-9;
PubChem CID	166710;
UN number	2013
CompTox Dashboard (EPA)	DTXSID30894176 ;
	InChI InChI=1S/2P.3Sr/q2-3;3+2 Key: ATAJSUOOOWSVGL-UHFFFAOYSA-N;
	SMILES [P-3].[P-3].[Sr+2].[Sr+2].[Sr+2];
Properties
Chemical formula	P2Sr3
Molar mass	324.8
Appearance	Black crystalline material
Density	2.68 g/cm3
Solubility in water	Decomposes in water
Structure
Crystal structure	cubic
Related compounds
Other anions	Calcium phosphide; Barium phosphide
Other cations	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

Strontium phosphide is an inorganic compound of strontium and phosphorus with the chemical formula Sr
₃P
₂.^[1]^[2] The compound looks like black crystalline material.^{[citation needed]}

Synthesis edit

Heating strontium phosphate with soot in an arc furnace:

{\ce {Sr3(PO4)2 + 8C -> Sr3P2 + 8CO}}

Reaction of strontium with red phosphorus at high temperature:^{[citation needed]}

{\ce {6Sr + P4 -> 2Sr3P2}}

Physical properties edit

Strontium phosphide forms black crystals.^{[citation needed]}

Thermally stable, melts at high temperatures.

Dangerous when wet, poison.^[3]

Chemical properties edit

Decomposes with water releasing phosphine:^{[citation needed]}

{\ce {Sr3P2 + 2H2O -> 3Sr(OH)2 + 2PH3}}

Reacts with acids:

{\ce {Sr3P2 + 6HCl -> 3SrCl2 + 2PH3}}

Uses edit

It is a highly reactive substance used as a reagent and in the manufacture of chemically reactive devices.^[4]

References edit

^ "Strontium Phosphide". American Elements. Retrieved 13 December 2021.
^ 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. Retrieved 13 December 2021.
^ Toxic Substances Control Act (TSCA) Chemical Substance Inventory. U.S. Government Printing Office. 1979. p. 11. Retrieved 13 December 2021.
^ "STRONTIUM PHOSPHIDE | CAMEO Chemicals | NOAA". cameochemicals.noaa.gov. Retrieved 13 December 2021.

[AA-1] "Strontium Phosphide". American Elements. Retrieved 13 December 2021.

[2] 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. Retrieved 13 December 2021.

[3] Toxic Substances Control Act (TSCA) Chemical Substance Inventory. U.S. Government Printing Office. 1979. p. 11. Retrieved 13 December 2021.

[4] "STRONTIUM PHOSPHIDE | CAMEO Chemicals | NOAA". cameochemicals.noaa.gov. Retrieved 13 December 2021.

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[2]

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Summary

Synthesis edit

Physical properties edit

Chemical properties edit

Uses edit

References edit