KCu4Sb2

metal

· JVASP-94881· KCu4Sb2

KCu4Sb2 is an intermetallic compound combining potassium, copper, and antimony—a research-phase material studied primarily for its electronic and thermal properties rather than structural applications. While not yet widely deployed in commercial engineering, compounds in the copper-antimony family are of interest in thermoelectric systems and functional electronic materials where specific electrical and heat-transport characteristics are needed. This material represents an experimental composition requiring further development before mainstream adoption.

thermoelectric researchelectronic materials developmentintermetallic compound studysolid-state physics applicationslaboratory/prototype evaluation

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2182	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)	0.01890	eV/atom	—
Formation Energy(ΔHf)	-0.1311	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.

KCu4Sb2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control