Hg4 S2 O8

semiconductor
· Hg4 S2 O8

Hg₄S₂O₈ is a mercury-sulfur-oxide semiconductor compound, representing an uncommon mixed-valence material that combines metallic mercury with sulfide and oxide anions in a layered or complex crystal structure. This is a research-phase compound rather than a commercial material; it belongs to the broader family of mercury chalcogenides and mixed-anion semiconductors that are of interest for exploratory studies in solid-state physics and materials discovery. The material's potential relevance lies in niche applications requiring specialized optical, electrical, or photochemical properties—such as photosensitive devices, radiation detection, or catalytic surfaces—though practical engineering adoption remains limited due to mercury's toxicity, regulatory restrictions, and the availability of safer alternatives for most semiconductor applications.

research semiconductorsphotosensitive devices (experimental)radiation detection (exploratory)catalytic materials (research)solid-state physics studiesmercury compound chemistry

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
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Pa——
Shear Modulus(G)
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Pa——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
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eV——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
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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.