HfReO2S

ceramic

· HfReO2S

HfReO₂S is an experimental ceramic compound combining hafnium, rhenium, oxygen, and sulfur—a rare multicomponent oxide-sulfide that falls within the broader family of refractory and high-entropy ceramic materials under active research. This material has not achieved widespread commercial use; its development is driven by interest in ultra-high-temperature applications and novel thermal/chemical properties that emerge from the hafnium-rhenium-sulfur system, with potential relevance to aerospace, energy, and extreme-environment scenarios where conventional refractories reach their limits.

experimental high-temperature ceramicsrefractory coatings researchaerospace thermal protection (exploratory)high-entropy oxide systemsextreme environment materials (research phase)thermal barrier material candidates

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.00243	μB	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	1.360	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.

HfReO2S

Electrical Properties

Other Properties

Regulatory Screening

Environmental