Na4 Al4 O8

ceramic

· Na4 Al4 O8

Na₄Al₄O₈ is an aluminate ceramic compound belonging to the family of sodium aluminates, inorganic materials formed from the reaction of alumina and sodium oxide. This stoichiometric composition represents a specific phase in the Na₂O–Al₂O₃ system and is primarily of research and industrial interest in refractories, cements, and high-temperature material applications where alkali-aluminate phases contribute to binding and structural performance. The material is valued in specialized applications requiring alkali-stable phases and is studied for its role in Portland cement chemistry and advanced refractory formulations.

refractory liningscement chemistryhigh-temperature bindersindustrial ceramicsalkali-resistant applicationsmaterials research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	4.145	eV	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.826	eV/atom	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

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.

Na4 Al4 O8 — Properties & Data | MatWorld

Na4 Al4 O8

Electrical Properties

Other Properties

Regulatory Screening

Environmental