Na3AsO4

Name: Na3AsO4
Brand: MatWorld

ceramic

· Na3AsO4

Sodium arsenate (Na₃AsO₄) is an inorganic ceramic compound composed of sodium, arsenic, and oxygen, belonging to the family of metal arsenate salts. This material is primarily encountered in specialized industrial chemistry and environmental remediation contexts rather than mainstream engineering applications, where it functions as a reagent, precipitant, or component in glass and ceramic formulations. Its use is limited by the toxicity of arsenic and regulatory restrictions in most developed economies, though it retains relevance in legacy processes, analytical chemistry, and research into arsenic immobilization and waste treatment strategies.

arsenic remediationanalytical chemistry reagentslegacy industrial processesceramic and glass researchenvironmental waste treatment

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1040	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)2 entries	3.435	eV	DFT · OptB88vdW
↳	6.206	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	4.976	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	2.683	-	DFT · OptB88vdW
↳	1.975	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.2195	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00114	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000260	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-154.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	527.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.000	%	DFT · TBmBJ

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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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-1.821	eV/atom	DFT · OptB88vdW
↳	-1.995	eV/atom	Measured

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

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.

Na3AsO4 — Properties & Data | MatWorld

Na3AsO4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental