Al2Cr2O7 — Properties & Data | MatWorld

Al2Cr2O7

Name: Al2Cr2O7
Brand: MatWorld

ceramic

· Al2Cr2O7

Aluminum chromium oxide (Al2Cr2O7) is a mixed-oxide ceramic compound combining aluminum and chromium oxides, belonging to the family of refractory and specialty oxide ceramics. This material is primarily investigated for high-temperature applications and corrosion-resistant coatings where its dual-oxide composition offers enhanced thermal stability and oxidation resistance compared to single-phase alternatives. Industrial interest focuses on thermal barrier systems, catalytic supports, and specialized refractory applications where chromium's contribution to chemical durability complements aluminum oxide's mechanical strength.

high-temperature refractorythermal barrier coatingscorrosion-resistant ceramicscatalyst supportsaerospace thermal protectionindustrial furnace linings

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1565	lb/in³	DFT · OptB88vdW

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Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	Measured
Magnetic Moment(μB)	8.000	µB	DFT · OptB88vdW

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)	0.4410	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.217	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.

Al2Cr2O7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental