Cu3As

metal

· JVASP-99561· Cu3As

Cu3As is an intermetallic compound consisting of copper and arsenic, belonging to the family of copper-based metallic phases. This material is primarily of research and historical interest rather than a mainstream engineering material; it appears in phase diagram studies and materials science literature as a representative copper-arsenic intermetallic, but sees limited practical industrial application due to arsenic's toxicity and the availability of superior alternatives for most engineering roles.

phase diagram researchintermetallic compound studiesmaterials science researchhistorical metallurgical reference

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2984	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)	0.08100	eV/atom	—
Formation Energy(ΔHf)	0.08100	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.

Cu3As

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control