O8 Na4 S2 — Properties & Data | MatWorld

O8 Na4 S2

ceramic

· O8 Na4 S2

O8 Na4 S2 is an inorganic ceramic compound containing sodium and sulfur oxides, belonging to the family of sulfate or oxygenated sulfide ceramics. This material is primarily of research interest rather than established industrial production; compounds in this compositional space are investigated for solid-state electrolyte applications, ceramic coatings, and thermal/chemical barrier systems due to their ionic conduction properties and thermal stability. Engineers would consider this material for emerging energy storage or electrochemical device architectures where sodium-conducting ceramics offer potential advantages over conventional electrolytes, though industrial adoption remains limited and material engineering is still in development phases.

solid-state electrolytes (research)sodium-ion battery systemsceramic coatings and barriershigh-temperature thermal applicationselectrochemical devices

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	7,211.6	ksi	DFT · OptB88vdW
Shear Modulus(G)	4,179	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	5.467	eV	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.916	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.

O8 Na4 S2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental