NaSiS2 — Properties & Data | MatWorld

NaSiS2

ceramic

· JVASP-137099· NaSiS2

NaSiS₂ is an inorganic ceramic compound containing sodium, silicon, and sulfur, belonging to the sulfide ceramic family. While not a widely commercialized engineering material, compounds in this class are of research interest for solid-state electrolytes, optical applications, and specialized chemical environments where sulfide-based ceramics offer unique ionic conductivity or chemical resistance. Engineers would consider this material primarily in exploratory applications requiring sulfide ceramics' distinctive properties, rather than as an established industrial substitute for conventional oxides or nitrides.

solid-state electrolytes (research)ionic conductorsspecialized chemical-resistant coatingsoptical window materials (exploratory)high-temperature sulfide ceramicsadvanced battery materials (early-stage)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	44.80	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.4100	-	DFT · OptB88vdW
Shear Modulus(G)	19.06	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	2.356	kg/m³	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.2963	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.6520	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.

NaSiS2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental