FeSO3

ceramic

· JVASP-112784· FeSO3

Iron(II) sulfite (FeSO₃) is an inorganic ceramic compound composed of iron and sulfite ions, belonging to the family of metal sulfites. While not commonly encountered in conventional engineering applications, FeSO₃ is primarily of interest in chemical processing, corrosion research, and materials science investigations where sulfite chemistry and iron-based compounds are relevant. Its use is limited compared to more stable iron oxides or sulfates, making it significant mainly in specialized contexts such as reducing agent applications, catalyst support research, or corrosion-inhibition studies in sulfite-rich environments.

chemical processingcorrosion inhibition researchreducing agent applicationscatalyst support materialslaboratory/experimental usesulfite chemistry studies

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1359	lb/in³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.01900	eV	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.1006	eV/atom	—
Formation Energy(ΔHf)	-1.138	eV/atom	—

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

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.

FeSO3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental