H2CO2 — Properties & Data | MatWorld

H2CO2

ceramic

· JVASP-57823· H2CO2

H₂CO₂ is an experimental ceramic compound based on a carbonate or carbon-oxygen matrix, likely investigated in materials research rather than established in commercial production. This material family is of interest in lightweight ceramic applications where low density combined with chemical stability offers potential advantages over conventional oxide ceramics. Research on such compounds typically targets applications requiring thermal stability, chemical inertness, or reduced weight, though practical engineering adoption depends on manufacturing scalability and mechanical property optimization.

Experimental/research ceramicLightweight structural applicationsThermal barrier systemsChemical resistant coatingsAerospace researchAdvanced composites

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	1.629	kg/m³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	4.916	eV	DFT · OptB88vdW
Dielectric Constant (Relative Permittivity)(εr)	5.145	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	2.560	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.1876	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000579	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000403	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-264.2	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	481.9	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)	0.1104	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.8827	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.

H2CO2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental