BeCoOs

metal

· JVASP-67174· BeCoOs

BeCoOs is a ternary intermetallic compound composed of beryllium, cobalt, and osmium. This is a research-phase material within the high-density intermetallic family, of interest primarily in fundamental materials science and specialized engineering contexts where extreme density, high-temperature stability, or unique magnetic properties may be relevant. Industrial adoption remains limited; the material's utility depends on cost-benefit analysis against established alternatives and whether specific property combinations (density, hardness, thermal stability) justify the complexity of production and potential toxicity concerns associated with beryllium.

Research and developmentHigh-density applicationsHigh-temperature intermetallicsAerospace materials researchSpecialized alloy development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.4427	lb/in³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	1.056	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.3211	eV/atom	—
Formation Energy(ΔHf)	0.1104	eV/atom	—

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

Regulatory Screening

Environmental

Export Control

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.

BeCoOs

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control