Cr3O7 — Properties & Data | MatWorld

Cr3O7

ceramic

· JVASP-30790· Cr3O7

Cr3O7 is a chromium oxide ceramic compound that belongs to the family of transition metal oxides used primarily in oxidation catalysis and high-temperature applications. This material is encountered mainly in research and specialized industrial contexts where its chromium oxide chemistry provides catalytic activity for oxidation reactions, particularly in environmental remediation and chemical processing. Engineers typically select chromium oxide ceramics when corrosion resistance, thermal stability, and oxidation catalysis are required simultaneously, though it remains less common than fully stabilized alternatives like Cr2O3 in mainstream engineering.

catalytic oxidation processeshigh-temperature corrosion resistancechromium chemistry researchenvironmental remediation catalystsspecialty chemical processing

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	3.508	kg/m³	DFT · OptB88vdW

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

Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000216	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000217	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-50.17	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-50.94	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.1183	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.831	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

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.

Cr3O7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental