FeAs2O7 — Properties & Data | MatWorld

FeAs2O7

Name: FeAs2O7
Brand: MatWorld

ceramic

· FeAs2O7

FeAs2O7 is an iron arsenate ceramic compound belonging to the family of mixed-valence metal arsenates. This is a relatively specialized and understudied material, primarily encountered in materials research and geochemistry contexts rather than widespread industrial applications. The compound represents a research-phase ceramic with potential relevance to arsenic immobilization technologies, oxidation catalysis, or specialized electronic ceramics, though industrial adoption remains limited due to the toxicity concerns and handling requirements associated with arsenic-bearing compounds.

arsenic remediation researchadvanced ceramics developmentoxidation catalysts (exploratory)geochemical modelingtoxic waste stabilizationlaboratory/academic applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1663	lb/in³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	0.000	eV	Measured
↳	0.03000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)	41.72	-	DFT · OptB88vdW
Magnetic Moment(μB)	2.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000323	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000288	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-9.623	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	3.170	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.07030	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.129	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.

FeAs2O7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental