Uranium Monophosphide

Uranium monophosphide
Identifiers
CAS Number	12037-69-3 ;
3D model (JSmol)	Interactive image;
ChemSpider	103867623;
PubChem CID	22899254;
	InChI InChI=1S/P.U Key: UTHMXILCQVBCDM-UHFFFAOYSA-N;
	SMILES P#[U];
Properties
Chemical formula	UP
Molar mass	272.0625 g/mol
Density	10.23 g/cm3
Melting point	2,600 °C (4,710 °F; 2,870 K)
Structure
Crystal structure	Face-centered cubic
Lattice constant	a = 0.5578 nm
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	Infobox references

Uranium monophosphide is a compound of uranium and phosphorus, synthesized from heating metal uranium and white phosphorus:

4 U + P
4 → 4 UP

It is a potential nuclear fuel.

In air, a thin glassy surface layer protects the compound from oxidation; over the course of months after synthesis, this layer develops a metallic sheen.

Curry, N A (1966). "The magnetic structure of uranium monophosphide". Proceedings of the Physical Society 89 (2): 427–429. doi:10.1088/0370-1328/89/2/325. Bibcode: 1966PPS....89..427C.
Sidhu, S.S.; Vogelsang, W.; Anderson, K.D. (1966). "The antiferromagnetism of uranium monophosphide". Journal of Physics and Chemistry of Solids 27 (8): 1197. doi:10.1016/0022-3697(66)90001-1. Bibcode: 1966JPCS...27.1197S.
Assmann, Helmut; Stehle, Heinz (1981). "Weitere Uranverbindungen als Kernbrennstoffe". Handbuch der Anorganischen Chemie. Gmelin. U: Uran (Suppl. A3) (8th ed.). Berlin: Springer. pp. 215–216. doi:10.1007/978-3-662-10275-6. ISBN 978-3-662-10276-3.

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Identifiers
CAS Number	12037-69-3^Y
3D model (JSmol)	Interactive image
ChemSpider	103867623
PubChem CID	22899254
InChI InChI=1S/P.U Key: UTHMXILCQVBCDM-UHFFFAOYSA-N
SMILES P#[U]
Properties
Chemical formula	UP
Molar mass	272.0625 g/mol
Density	10.23 g/cm³
Melting point	2,600 °C (4,710 °F; 2,870 K)
Structure
Crystal structure	Face-centered cubic
Lattice constant	a = 0.5578 nm
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Further reading