AlI3

Name: AlI3
Brand: MatWorld

metal

· AlI3

Aluminum triiodide (AlI₃) is a layered ionic-covalent compound belonging to the aluminum halide family, with a layered crystal structure that exhibits weak interlayer bonding. While not widely deployed in structural engineering applications, AlI₃ has attracted research interest as a precursor material for aluminum-based semiconductors, as a Lewis acid catalyst in organic synthesis, and as a potential exfoliable material for two-dimensional layer isolation studies. Engineers considering this compound should recognize it primarily as a specialty chemical or research material rather than a load-bearing or conventional functional material; its utility lies in niche applications requiring controlled reactivity, layer exfoliation, or specific electronic/ionic properties rather than bulk mechanical performance.

organic synthesis catalysishalide precursor chemistrytwo-dimensional materials researchsemiconductor processingLewis acid applicationsexperimental layered materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	1,319.8	ksi	DFT · OptB88vdW
Exfoliation Energy(Eexf)	120.5	meV/atom	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2400	-	DFT · OptB88vdW
Shear Modulus(G)	916.6	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1487	lb/in³	DFT · OptB88vdW

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

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Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.034	eV	DFT · OptB88vdW
↳	2.692	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	5.322	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.826	-	DFT · OptB88vdW
↳	4.104	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	9.000	%	DFT · TBmBJ

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.

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

Filter by

Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000600	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.6785	eV/atom	DFT · OptB88vdW
↳	-0.7849	eV/atom	Measured

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.

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

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.

AlI3 — Properties & Data | MatWorld

AlI3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control