Hf2P2O9

ceramic

· JVASP-50819· Hf2P2O9

Hf2P2O9 is a hafnium phosphate ceramic compound combining hafnium oxide with phosphate phases, belonging to the family of refractory phosphate ceramics. This material is primarily of research and developmental interest for high-temperature applications where chemical stability and thermal resistance are critical, particularly in nuclear fuel matrices, refractory coatings, and advanced ceramic composites where hafnium's neutron-absorbing properties and phosphates' chemical durability offer advantages over conventional alternatives.

nuclear fuel matriceshigh-temperature refractoriesceramic compositesthermal barrier coatingschemical stability applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	5.469	kg/m³	—

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

Property	Value	Unit	Conditions
Band Gap(Eg)	4.999	eV	—
Magnetic Moment(μB)	0.000	µB	—
Seebeck Coefficient(S)	-351.7	µV/K	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.00740	eV/atom	—
Formation Energy(ΔHf)	-3.040	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.

Hf2P2O9

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental