BaC2 — Properties & Data | MatWorld

BaC2

Name: BaC2
Brand: MatWorld

ceramic

· BaC2

Barium carbide (BaC₂) is an ionic ceramic compound belonging to the carbide family, characterized by barium cations bonded to carbide anions. This material is primarily of research and specialized industrial interest rather than a commodity engineering ceramic; it appears in niche applications requiring its unique chemical reactivity and thermal properties, such as acetylene generation (historically), metallurgical processing, and as a precursor in advanced ceramics synthesis. Engineers select barium carbide for applications where its chemical reactivity with water or other reagents is advantageous, or where its structural properties suit high-temperature or specialized chemical environments, though it is less commonly specified than more established carbides like SiC or WC in mainstream structural applications.

carbide precursorschemical reactivity applicationsmetallurgical additivesacetylene generationhigh-temperature ceramics researchspecialty chemical synthesis

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	5,766.7	ksi	DFT
↳	6,750.1	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.4400	-	DFT · OptB88vdW
Shear Modulus(G)2 entries	1,559.2	ksi	DFT
↳	3,183.6	ksi	DFT · OptB88vdW

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.

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1400	lb/in³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.221	eV	DFT · OptB88vdW
↳	3.456	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	11.04	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	3.998	-	DFT · OptB88vdW
↳	3.449	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.3500	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.447	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000637	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00102	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-81.24	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	380.6	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	1.460	%	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.

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

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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.00630	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.07748	eV/atom	DFT · OptB88vdW
↳	-0.2560	eV/atom	Measured

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.

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.

BaC2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental