NaSi2BH2O7 — Properties & Data | MatWorld

NaSi2BH2O7

ceramic

· JVASP-40634· NaSi2BH2O7

NaSi₂BH₂O₇ is a borosilicate ceramic compound combining sodium, silicon, boron, and oxygen—a material family known for thermal stability and chemical resistance. This specific composition appears to be a research or specialty ceramic rather than a widely commercialized phase; borosilicate ceramics are typically employed in applications requiring thermal shock resistance, low thermal expansion, and chemical durability, such as laboratory glassware, industrial heat exchangers, and specialized coatings. Engineers would consider borosilicate formulations when conventional ceramics or soda-lime glass cannot tolerate temperature cycling, corrosive environments, or require dimensional precision across thermal ranges.

thermal shock resistant coatingschemical-resistant vesselshigh-temperature sealsborosilicate ceramics researchlaboratory/industrial glasswarecorrosion-resistant liners

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	2.096	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	4.180	eV	DFT · OptB88vdW
↳	6.777	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	5.377	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	2.342	-	DFT · OptB88vdW
↳	1.846	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.1699	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00101	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000103	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-152.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	411.6	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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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.09060	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.247	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.

NaSi2BH2O7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental