Back پلوتونیوم (IV) اوکسید AZB Diòxid de plutoni Catalan Oxid plutoničitý Czech Plutonium(IV)-oxid German Διοξείδιο του ποσειδωνίου Greek Dióxido de plutonio Spanish پلوتونیوم (IV) اکسید Persian Plutoniumdioksidi Finnish Dioxyde de plutonium French प्लूटोनियम(IV) ऑक्साइड Hindi

Plutonium(IV) oxide

Plutonium(IV) oxide
Unit cell, ball and stick model of plutonium(IV) oxide
Names
IUPAC name
Plutonium(IV) oxide
Systematic IUPAC name
Plutonium(4+) oxide
Other names
Plutonium dioxide
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.031.840 Edit this at Wikidata
EC Number
  • 235-037-3
  • InChI=1S/2O.Pu/q2*-2;+4 checkY
    Key: FLDALJIYKQCYHH-UHFFFAOYSA-N checkY
  • [O-2].[O-2].[Pu+4]
Properties
O2Pu
Molar mass 276 g·mol−1
Appearance Dark yellow crystals
Density 11.5 g cm−3
Melting point 2,744 °C (4,971 °F; 3,017 K)
Boiling point 2,800 °C (5,070 °F; 3,070 K)
Structure
Fluorite (cubic), cF12
Fm3m, No. 225
a = 539.5 pm[1]
Tetrahedral (O2−); cubic (PuIV)
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
 Radioactive
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 4: Very short exposure could cause death or major residual injury. E.g. VX gasFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazard RA: Radioactive. E.g. plutonium
4
0
0
Special hazard RA: Radioactive. E.g. plutonium
Flash point non-flammable
Related compounds
Other cations
 Uranium(IV) oxide
Neptunium(IV) oxide
Americium(IV) oxide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)

Plutonium(IV) oxide, or plutonia, is a chemical compound with the formula PuO2. This high melting-point solid is a principal compound of plutonium. It can vary in color from yellow to olive green, depending on the particle size, temperature and method of production.[2]

  1. ^ Christine Guéneau; Alain Chartier; Paul Fossati; Laurent Van Brutzel; Philippe Martin (2020). "Thermodynamic and Thermophysical Properties of the Actinide Oxides". Comprehensive Nuclear Materials 2nd Ed. 7: 111–154. doi:10.1016/B978-0-12-803581-8.11786-2. ISBN 9780081028667.
  2. ^ "Nitric acid processing". Los Alamos Laboratory.

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