702129
Aluminum oxide
nanoparticles, <50 nm particle size (DLS), 20 wt. % in isopropanol
Synonym(s):
Alumina
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About This Item
Linear Formula:
Al2O3
CAS Number:
Molecular Weight:
101.96
UNSPSC Code:
12352311
eCl@ss:
38120402
PubChem Substance ID:
NACRES:
NA.23
MDL number:
Concentration:
20 wt. % in isopropanol
Form:
dispersion, nanoparticles
Quality Level
form
dispersion, nanoparticles
greener alternative product characteristics
Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.
sustainability
Greener Alternative Product
concentration
20 wt. % in isopropanol
particle size
<50 nm (DLS)
pH
8-10
density
0.79 g/cm3 at 25 °C
greener alternative category
SMILES string
O=[Al]O[Al]=O
InChI
1S/2Al.3O
InChI key
TWNQGVIAIRXVLR-UHFFFAOYSA-N
General description
Nanosized aluminum oxide, also called nano alumina or Al2O3 nanoparticles, is a form of aluminum oxide with a small particle size and high specific surface area. Our aluminum oxide nanoparticles have a particle size less than 50 nm. The nanoparticles are suspended in isopropyl alcohol (IPA) to facilitate its dispersion and use. Nano alumina exhibits unique bio-physicochemical properties, including high surface area, high hardness, thermal stability, and biocompatibility. In the field of catalysis, it servesas efficient catalyst supports, enhancing reaction rates and selectivity. They also exhibit remarkable dielectric properties, making them valuable for electronic and optoelectronic devices. Additionally, Al2O3 NPs have demonstrated promising results in biomedical applications, including drug delivery systems, biomedical imaging, biosensing, and tissue engineering. They are also key components in advanced coatings, energy storage systems, environmental remediation, optoelectronics, photonics, and personal care products.
We are committed to bringing you Greener Alternative Products, which belong to one of the four categories of greener alternatives. Aluminum oxide serves as a multifunctional additive or coating in lithium-ion batteries, helping stabilize electrode–electrolyte interfaces, suppress side reactions, improve thermal stability, and extend cycle life. By enabling safer, longer-lasting cells, it reduces material waste and energy use across the battery lifecycle. Click here for more information.
Application
- Elemental analysis of levitated solid samples by microwave-assisted laser induced breakdown spectroscopy.: This study explores the application of aluminium oxide in enhancing the elemental analysis capabilities of laser induced breakdown spectroscopy, providing a novel approach for high precision chemical analysis in analytical chemistry (Alamri AM et al., 2024).
- An ab initio molecular dynamics investigation of the behaviour of amorphous substances in anodic aluminium oxide under electric field.: This research presents a molecular-level understanding of how amorphous substances behave within anodic aluminium oxide structures when subjected to an electric field, offering insights into the material′s stability and reactivity (An Z et al., 2024).
- Alternative nano-lithographic tools for shell-isolated nanoparticle enhanced Raman spectroscopy substrates.: The article discusses the utilization of aluminium oxide in the development of advanced nano-lithographic tools, significantly enhancing the performance of Raman spectroscopy for chemical detection and analysis (Srivastava K et al., 2024).
- Unexpected early loosening of rectangular straight femoral Zweymüller stems with an alumina-reduced surface after total hip arthroplasty-a prospective, double-blind, randomized controlled trial.: This study examines the clinical implications of using aluminium oxide in prosthetic implants, specifically its effect on the longevity and stability of femoral stems in hip arthroplasty (Moret CS et al., 2024).
- Green Synthesis of Aluminum Oxide Nanoparticles Using Clerodendrum phlomidis and Their Antibacterial, Anti-inflammatory, and Antioxidant Activities.: Investigates the biogenic synthesis of aluminium oxide nanoparticles, highlighting their potential in biomedical applications due to their antibacterial, anti-inflammatory, and antioxidant properties (Thanaraj S et al., 2024).
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signalword
Danger
hcodes
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3
target_organs
Central nervous system
Storage Class
3 - Flammable liquids
wgk
WGK 1
flash_point_f
53.6 °F - closed cup
flash_point_c
12 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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G Siddiqi et al.
Dalton transactions (Cambridge, England : 2003), 44(32), 14349-14353 (2015-07-23)
A simple one-step and gram-scale synthesis of [Au5Mes5] from AuCl3 was developed, and this molecular precursor was used to generate Au nanoparticles on SiO2 and Al2O3. While [Au5Mes5] does not react with surface silanols and is only physisorbed, its incipient
Colin J Ingham et al.
Biotechnology advances, 30(5), 1089-1099 (2011-08-23)
Porous aluminum oxide (PAO) is a ceramic formed by an anodization process of pure aluminum that enables the controllable assembly of exceptionally dense and regular nanopores in a planar membrane. As a consequence, PAO has a high porosity, nanopores with
Chien-Chih Lin et al.
Nanoscale, 5(17), 8090-8097 (2013-07-25)
We demonstrated a promising route for enhancing temperature sensitivity, improving saturation voltage, and reducing power consumption of the MOS(p) tunneling temperature sensors by introducing ultrathin Al2O3 into the dielectric stacks. Detailed illustrations of the working mechanism and device concept are