Al4 H4 O8

ceramic

· Al4 H4 O8

Al₄H₄O₈ is a hydrated aluminum oxide ceramic compound, likely representing a form of aluminum hydroxide or a transitional alumina hydrate phase. This material belongs to the family of aluminum oxide ceramics, which are widely valued for their chemical stability, thermal properties, and hardness. The hydrated form is commonly encountered in industrial processes and represents an intermediate compound in the thermal decomposition pathway to anhydrous alumina (Al₂O₃), making it relevant for applications requiring controlled ceramic formation or hydroxide-based chemistry. Engineers consider hydrated alumina compounds for applications where hydroxide functionality, lower-temperature processing, or controlled dehydration is advantageous compared to fully calcined alumina.

ceramic precursors and bindersthermal insulation materialschemical catalysts and catalyst supportsrefractory manufacturingfire-retardant fillerslaboratory research compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	22,811.2	ksi	—
Shear Modulus(G)	17,359.1	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	6.061	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.486	eV/atom	—

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

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.

Al4 H4 O8

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental