Strontium phosphide

Strontium phosphide  Names

Other names

Tristrontium diphosphide

Identifiers

CAS Number

* 12504-16-4

3D model (JSmol)

* Interactive image

ChemSpider |

* 145854

EC Number |

* 235-678-9

PubChem CID

* 166710

UN number | 2013

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

Tracking categories (test):

* SizeSet

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]

## Contents

* 1 Synthesis
* 2 Physical properties
* 3 Chemical properties
* 4 Uses
* 5 References

## Synthesis

Heating strontium phosphate with soot in an arc furnace:

SrA3(POA4)A2+8C⟶SrA3PA2+8CO

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

6Sr+PA4⟶2SrA3PA2

## 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]

SrA3PA2+2HA2O⟶3Sr(OH)A2+2PHA3

Reacts with acids:

SrA3PA2+6HCl⟶3SrClA2+2PHA3

## Uses

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

## References

1. ↑ "Strontium Phosphide" (in en). American Elements. https://www.americanelements.com/strontium-phosphide-12504-16-4.
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. https://pubs.acs.org/doi/10.1021/jacs.7b06279. Retrieved 13 December 2021.
3. ↑ (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.
4. ↑ "STRONTIUM PHOSPHIDE | CAMEO Chemicals | NOAA". cameochemicals.noaa.gov. https://cameochemicals.noaa.gov/chemical/4551.

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Strontium compounds

* SrAl2O4
* SrB6
* SrBr2
* Sr(BrO3)2
* SrCO3
* SrCl2
* Sr(ClO3)2
* SrCrO4
* SrF2
* SrI2
* Sr(NO3)2
* SrO
* SrO2
* Sr(OH)2
* SrS
* SrSO4
* SrTiO3
* Sr3N2
* Sr2RuO4

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Phosphorus compounds

* PBr3
* PBr5
* PCl3
* PCl5
* PF3
* PF5
* PI3
* InP
* PH3
* PN
* P3N5
* P2O3
* P2O4
* P2O5
* P4S3
* P4S10
* AlP
* Ca3P2
* Zn3P2
* CuP2
* HfP
* FeP
* Fe3P
* BP
* YP

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