Ca4.75Na0.25Al2Sb6

metal

· Ca4.75Na0.25Al2Sb6

Ca₄.₇₅Na₀.₂₅Al₂Sb₆ is a quaternary intermetallic compound belonging to the Zintl phase family, characterized by a mixed-cation structure combining alkaline earth (calcium), alkali (sodium), and post-transition (aluminum, antimony) elements. This material is primarily investigated in thermoelectric research contexts, where its crystal structure and electronic properties are engineered to balance electrical conductivity with low thermal conductivity for waste heat recovery applications. The compound represents an experimental composition rather than a widely commercialized material, making it relevant to researchers and engineers exploring next-generation thermoelectric materials for energy conversion rather than mainstream industrial manufacturing.

thermoelectric generatorswaste heat recoveryresearch materialsZintl phase compoundstemperature gradient applicationsmaterials discovery

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Thermal Conductivity(k)2 entries	0.8200	W/(m·K)	—
↳	0.8200	W/(m·K)	427°C

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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Property	Value	Unit	Conditions
Electrical Conductivity(σ)	136.4	S/cm	427°C
Electrical Resistivity(ρe)	0.0000733	Ω·m	427°C
Thermoelectric Power Factor(PF)	0.000550	W/(m·K²)	427°C
Seebeck Coefficient(S)	200.8	μV/K	427°C
Thermoelectric Figure of Merit(zT)	0.4696	-	427°C

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.

Ca4.75Na0.25Al2Sb6

Thermal Properties

Electrical Properties

Regulatory Screening

Environmental

Export Control