CuSi2As

metal

· JVASP-75800· CuSi2As

CuSi2As is a copper-silicon-arsenic intermetallic compound that belongs to the family of advanced metallic materials combining high-performance base metals with semi-metallic elements. This compound is primarily of research and specialized industrial interest, particularly in semiconductor applications, thermoelectric devices, and high-temperature structural materials where the unique electronic and thermal properties of copper-silicon intermetallics are leveraged. The arsenic addition modifies the material's electronic structure and phase stability, making it potentially valuable for niche applications requiring specific combinations of electrical conductivity, thermal behavior, or catalytic properties that conventional copper alloys cannot provide.

thermoelectric devicessemiconductor contactshigh-temperature materials researchintermetallic compoundsexperimental/advanced applicationscatalytic or electronic applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1827	lb/in³	—

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)	0.6069	eV/atom	—
Formation Energy(ΔHf)	0.5772	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.

CuSi2As

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control