HfH2C3O4

ceramic

· JVASP-101938· HfH2C3O4

HfH2C3O4 is an experimental hafnium-based oxycarbide ceramic compound combining hafnium, hydrogen, carbon, and oxygen phases. This material belongs to the family of refractory oxycarbides being investigated for extreme-temperature applications where conventional ceramics degrade; research into such hafnium compounds is driven by their potential for hypersonic vehicle components, thermal protection systems, and advanced nuclear environments where thermal stability and oxidation resistance are critical.

research and developmentthermal protection systemshypersonic applicationsrefractory compositeshigh-temperature oxidation resistanceadvanced aerospace materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	4.371	kg/m³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.410	eV	—
Magnetic Moment(μB)	0.000	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.4548	eV/atom	—
Formation Energy(ΔHf)	-1.185	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.

HfH2C3O4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental