HCl

ceramic

· HCl

HCl (hydrochloric acid) classified here as a ceramic material refers to solid hydrochloric acid or HCl-based ceramic compounds, likely in research or specialized industrial contexts rather than the common aqueous acid solution. This material family encompasses HCl complexes, molecular crystals, or acid-salt ceramic compositions that exhibit rigid, brittle characteristics typical of ceramics. Industrial applications of HCl-based ceramics are limited and primarily experimental; they may be explored in specialized chemical processing, catalyst supports, or extreme environment chemical containment where the molecular structure of crystalline HCl provides unique reactivity or thermal stability advantages over conventional containers or ceramic alternatives.

chemical processing researchmolecular crystal compoundsspecialized catalyst supportsexperimental corrosion resistanceextreme environment chemistrylaboratory-scale materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	1,154.5	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2300	-	DFT · OptB88vdW
Shear Modulus(G)	868.8	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.05947	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	5.815	eV	DFT · OptB88vdW
↳	7.576	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	4.213	-	DFT · OptB88vdW
↳	2.770	-	DFT · PBE
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	2.748	-	DFT · OptB88vdW
↳	2.284	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.04267	C/m²	DFT · OptB88vdW
↳	0.1707	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.000831	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00132	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-129.4	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	339.7	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.4541	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.

HCl — Properties & Data | MatWorld

HCl

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental