TaAu3

metal

· JVASP-126933· TaAu3

TaAu3 is an intermetallic compound combining tantalum and gold in a 1:3 atomic ratio, forming a hard metallic phase with very high density. This material exists primarily in research and specialty applications rather than high-volume production, valued for its extreme density and potential corrosion resistance from the gold content, though it remains largely experimental with limited commercial adoption.

radiation shielding researchhigh-density counterweightsdental/medical device prototypingaerospace research applicationswear-resistant coatings (experimental)intermetallic phase study

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.6385	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)	0.2919	eV/atom	—
Formation Energy(ΔHf)	0.2681	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.

TaAu3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control