CaH4Se2O7

ceramic

· JVASP-52417· CaH4Se2O7

CaH₄Se₂O₇ is a calcium selenate hydride ceramic compound, representing an experimental or niche inorganic material not widely deployed in conventional engineering practice. This compound belongs to the family of selenate ceramics and is primarily of research interest in materials chemistry and solid-state physics; potential applications leverage its ionic structure and thermal properties in specialized contexts such as high-temperature ceramics, solid electrolytes, or functional ceramics, though industrial adoption remains limited pending further characterization of mechanical and thermal stability.

experimental ceramicssolid-state electrolyteshigh-temperature materials researchselenate compound studiesionic conductor developmentlaboratory/research applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1150	lb/in³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	4.225	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	3.439	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000914	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000380	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-267.3	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	356.2	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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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.329	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.

CaH4Se2O7 — Properties & Data | MatWorld

CaH4Se2O7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental