Iron(I) phosphide

Iron(I) phosphide

Identifiers
CAS Number	12023-53-9
3D model (JSmol)	Interactive image
ChemSpider	21884688
ECHA InfoCard	100.031.517
EC Number	234-682-8
PubChem CID	329761422
CompTox Dashboard (EPA)	DTXSID50276470
InChI InChI=1S/3Fe.P Key: KFSKMQQNHSLZRJ-UHFFFAOYSA-N
SMILES P12[Fe]3[Fe]1[Fe]23
Properties
Chemical formula	Fe3P
Molar mass	204.01
Appearance	Gray to blue-gray powder
Density	6.74 g/cm3
Melting point	1,370 °C (2,500 °F; 1,640 K)
Solubility in water	Insoluble
Structure
Crystal structure	tetragonal
Hazards
GHS labelling:
Pictograms	[1]
Signal word	Warning
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Iron(I) phosphide is an inorganic compound of iron and phosphorus with the chemical formula Fe₃P. ^{[2] [3]}

Fe₃P occurs naturally as a mineral called schreibersite in some meteorites. Some iron may be replaced by nickel. ^[4]

Synthesis

Iron(I) phosphide can be prepared by the chemical reaction of iron and phosphorus at high temperature. ^[5]

3Fe + P → Fe₃P

Physical properties

The compound forms gray to blue-gray crystals of a tetragonal system, space group I4. ^[4]

It is insoluble in water. ^[6] Soluble in nitric acid, HF, aqua regia. ^[7]

Fe₃P decomposes on melting. ^[4]

Chemical properties

Iron(I) phosphide reacts with moisture and acids to produce phosphine PH₃, a toxic, self-igniting gas. ^[8]

Uses

The compound is a semiconductor widely used in high-power and high-frequency applications, such as laser diodes. ^{[9] [ dubious – discuss ]}

References

1. "Iron phosphide, Fe3P". Sigma Aldrich . Retrieved 25 March 2025.
2. "Iron Phosphide, Fe3P". American Elements . Retrieved 25 March 2025.
3. "SAFETY DATA SHEET". Fisher Scientific . Retrieved 25 March 2025.
4. Macia-Barber, Enrique (21 November 2019). The Chemical Evolution of Phosphorus: An Interdisciplinary Approach to Astrobiology. CRC Press. ISBN   978-0-429-56015-6 . Retrieved 25 March 2025.
5. Brauer, Georg (1981). Handbuch der präparativen anorganischen Chemie (in German) (3., umgearb. Aufl ed.). Stuttgart: Enke. p. 1649. ISBN   3-432-87823-0 . Retrieved 26 March 2025.
6. Haynes, William M. (19 April 2016). CRC Handbook of Chemistry and Physics, 94th Edition. CRC Press. p. 4-68. ISBN   978-1-4665-7115-0 . Retrieved 25 March 2025.
7. "buy Iron Phosphide Powder manufacturers- FUNCMATER". funcmater.com. Retrieved 25 March 2025.
8. "Phosphine and Eight Metal Phosphides Acute Exposure Guideline Levels". Acute Exposure Guideline Levels for Selected Airborne Chemicals: Volume 6. National Academies Press (US). 2008. Retrieved 26 March 2025.
9. "Iron Phosphide | Fe3P | CAS 12023-53-9 - Heeger Materials". Heeger Materials Inc. Retrieved 25 March 2025.