Co3S4

metal

· Co3S4

Co₃S₄ is a cobalt sulfide compound that exists as a mixed-valence spinel structure, combining cobalt in both +2 and +3 oxidation states. It is primarily investigated in electrochemistry and materials research rather than as an established structural material, with growing interest in energy storage and catalytic applications where its electronic and surface properties offer advantages in reaction kinetics and charge transfer.

electrochemical catalysiswater splitting electrodesbattery electrode materialssupercapacitor componentsoxygen reduction catalystsresearch & development materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	5.013	kg/m³	—

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Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.000	µB	—
Seebeck Coefficient(S)	19.05	µV/K	—

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Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000	eV/atom	—
Formation Energy(ΔHf)2 entries	-0.5315	eV/atom	—
↳	-0.5297	eV/atom	—

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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Regulatory Screening

Environmental

Export Control

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.

Co3S4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control