FeCoS4

metal

· JVASP-145409· FeCoS4

FeCoS₄ is an iron-cobalt sulfide compound representing an emerging research material in the metal sulfide family, likely explored for its mixed-valence metal chemistry and potential electrochemical properties. While not established in mainstream industrial production, materials in this compositional space are investigated for energy storage applications (batteries, supercapacitors) and catalytic systems where the synergistic combination of iron and cobalt with sulfur can enhance performance compared to single-metal alternatives. Engineers considering this material should recognize it remains largely in the experimental or early-development phase and would require careful validation for any specific engineering application.

energy storage electrodeselectrocatalysisbattery researchsupercapacitor materialsexperimental metal sulfides

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1787	lb/in³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	1.570	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.01440	eV/atom	—
Formation Energy(ΔHf)	-0.5282	eV/atom	—

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

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.

FeCoS4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control