Cu4As

metal

· JVASP-141490· Cu4As

Cu4As is a copper-arsenic intermetallic compound belonging to the family of binary metal systems explored for specialized electrical and thermal applications. While not a widely commercialized engineering material, copper-arsenic phases have been studied in metallurgy for their potential in high-conductivity applications and as precursors in compound semiconductor research. The compound's relevance is primarily in research contexts, materials science investigations of phase diagrams, and niche applications where arsenic-containing copper phases offer specific functional properties.

research and developmentintermetallic phase studieselectrical contact materialsmaterials characterizationspecialized alloy development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	8.239	kg/m³	—

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

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

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.1209	eV/atom	—
Formation Energy(ΔHf)	0.1209	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.

Cu4As

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control