Hf4 P4 O18

ceramic

· Hf4 P4 O18

Hf4P4O18 is a hafnium phosphate ceramic compound belonging to the family of refractory metal phosphates. This material is primarily of research interest for advanced ceramic applications requiring high thermal stability and chemical resistance, as hafnium phosphates exhibit excellent performance in extreme environments and are being investigated as potential host matrices for nuclear waste immobilization and as thermal barrier coatings.

nuclear waste immobilizationthermal barrier coatingshigh-temperature ceramicsrefractory applicationsradiation-resistant materialschemical resistant coatings

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	4.999	eV	—

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

Property	Value	Unit	Conditions	Source
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.

Hf4 P4 O18

Electrical Properties

Other Properties

Regulatory Screening

Environmental