CrHgO4 — Properties & Data | MatWorld

CrHgO4

ceramic

· JVASP-12236· CrHgO4

Chromium mercury oxide (CrHgO4) is a dense ceramic compound combining chromium and mercury oxides. This material is primarily encountered in research and specialized industrial contexts rather than mainstream engineering applications, with historical use in pigments, analytical chemistry, and corrosion studies. Its notable characteristic is the combination of heavy metal content and ceramic properties, making it relevant for applications requiring high density or specific chemical reactivity, though environmental and toxicity concerns related to mercury limit its adoption in modern engineering.

analytical chemistry reagentshistorical pigment applicationscorrosion resistance researchspecialized coatingslaboratory oxidizing agentsmaterials research (mercury-based ceramics)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	5.742	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.373	eV	DFT · OptB88vdW
↳	2.061	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)	5.242	-	DFT · TBmBJ
Electron Effective Mass(m*e)	2.930	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.287	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00133	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00133	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-300.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	337.4	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	21.63	%	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)	-1.297	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.

CrHgO4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental