U3 O8

semiconductor

· U3 O8

U₃O₈ is a mixed-valence uranium oxide ceramic compound that exists primarily as a research and specialized industrial material rather than a commodity engineering material. It is encountered in nuclear fuel processing, uranium metallurgy, and solid-state chemistry applications where its intermediate oxidation state between UO₂ and U₃O₇ makes it relevant to understanding uranium oxide phase chemistry and corrosion behavior. Engineers and materials scientists work with U₃O₈ mainly in nuclear fuel cycle contexts and in studies of long-term storage or oxidation of uranium-bearing systems, where its thermodynamic stability and phase relationships with other uranium oxides inform decisions about material compatibility and containment strategies.

nuclear fuel processinguranium ore concentrationcorrosion studies of uranium systemssolid-state phase chemistry researchradioactive material containmentlegacy uranium materials characterization

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	173.4	GPa	—
Shear Modulus(G)	67.43	GPa	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00630	eV	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-3.405	eV/atom	—

Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

U3 O8

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control