Hg4P2O7

ceramic

· JVASP-98031· Hg4P2O7

Hg₄P₂O₇ is an inorganic ceramic compound containing mercury, phosphorus, and oxygen that belongs to the metal phosphate ceramic family. This material is primarily of research interest rather than in widespread commercial use, with potential applications in specialized electrochemical systems, solid-state ionics, and mercury-based functional ceramics where its unique crystal structure and ionic conductivity properties may be exploited. Engineers would consider this material only in niche applications requiring mercury-containing ceramics with specific chemical or electrochemical functionality, as standard alternatives and regulatory constraints on mercury limit its industrial adoption.

research ceramicselectrochemical systemssolid-state ionicsmercury compoundslaboratory applicationsfunctional ceramics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	7.464	kg/m³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.939	eV	—
Magnetic Moment(μB)	0.000	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	—
Formation Energy(ΔHf)	-1.326	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.

Hg4P2O7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental