NaO2 — Properties & Data | MatWorld

NaO2

Name: NaO2
Brand: MatWorld

ceramic

· NaO2

Sodium peroxide (NaO₂) is an inorganic ceramic compound and strong oxidizing agent used primarily in industrial chemical processes and specialized applications requiring oxidative capability. It serves as an oxygen source in submarine and spacecraft life support systems, as a bleaching agent in textile and paper industries, and as a reagent in chemical synthesis and metal processing. Engineers select sodium peroxide for applications where controlled oxidation, oxygen generation, or chemical reactivity is critical, though its corrosive and hygroscopic nature requires careful handling and specialized containment.

life support systems (submarines, spacecraft)chemical synthesis and manufacturingtextile and paper bleachingmetal processing and purificationindustrial oxidizing agentsoxygen generation applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	44.57	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.4100	-	DFT · OptB88vdW
Shear Modulus(G)	15.96	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	2.593	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	0.9840	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000422	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000415	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	24.84	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	24.18	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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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.09590	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.8244	eV/atom	DFT · OptB88vdW
↳	-0.9007	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.

NaO2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental