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702129

Sigma-Aldrich

氧化铝

nanoparticles, <50 nm particle size (DLS), 20 wt. % in isopropanol

别名:

氧化铝

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100 G
$285.00
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About This Item

线性分子式:
Al2O3
CAS号:
1344-28-1
分子量:
101.96
MDL编号:
MFCD00003424
UNSPSC代码:
12352311
eCl@ss:
38120402
PubChem化学物质编号:
329762346
NACRES:
NA.23

$285.00

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表单

dispersion
nanoparticles

质量水平

100

浓度

20 wt. % in isopropanol

粒径

<50 nm (DLS)

pH值（酸碱度）

8-10

密度

0.79 g/cm3 at 25 °C

SMILES字符串

O=[Al]O[Al]=O

InChI

1S/2Al.3O

InChI key

TWNQGVIAIRXVLR-UHFFFAOYSA-N

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相关类别

一般描述

纳米氧化铝又称纳米铝或Al2O3 纳米粒子，是一种粒径小、比表面积大的氧化铝形式。我们的氧化铝纳米颗粒的粒径小于 50 nm。这种纳米颗粒可悬浮在异丙醇 (IPA) 中，方便分散和使用。纳米氧化铝具有独特的生物物理化学特性，包括高表面积、高硬度、热稳定性和生物相容性。 在催化领域，它可作为有效的催化剂载体，提高反应速率和选择性。它们还表现出卓越的介电性能，在电子和光电设备领域很有价值。此外，Al2O3 Np在生物医学应用中已展现出不凡效果，包括药物输送系统、生物医学成像、生物传感和组织工程。它们也是先进涂层、储能系统、环境修复、光电子、光子学和个人护理产品中的关键成分。

应用

  • Elemental analysis of levitated solid samples by microwave-assisted laser induced breakdown spectroscopy.：研究采用氧化铝增强激光诱导击穿光谱的元素分析能力，为分析化学提供新的高精密度化学分析(Alamri AM et al., 2024)。
  • An ab initio molecular dynamics investigation of the behaviour of amorphous substances in anodic aluminium oxide under electric field.：在分子水平上了解施加电场后无定形物质在阳极氧化铝结构中的行为，解析材料的稳定性和反应性(An Z et al., 2024)。
  • Alternative nano-lithographic tools for shell-isolated nanoparticle enhanced Raman spectroscopy substrates.：采用氧化铝开发先进的纳米光刻工具，极大提高拉曼光谱的化学检测和分析能力(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.：研究在假体中采用氧化铝的临床意义，特别是它对髋关节置换术中股骨柄的长期性和稳定性的影响(Moret CS et al., 2024)。
  • Green Synthesis of Aluminum Oxide Nanoparticles Using Clerodendrum phlomidis and Their Antibacterial, Anti-inflammatory, and Antioxidant Activities.：研究氧化铝纳米颗粒的生物合成，它们因抗菌、抗炎和抗氧化活性而具有生物医学应用潜力(Thanaraj S et al., 2024)。

象形图

FlameExclamation mark
GHS02,GHS07

警示用语：

Danger

危险声明

H225,H319,H336

危险分类

Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3

靶器官

Central nervous system

储存分类代码

3 - Flammable liquids

WGK

WGK 1

闪点(°F)

53.6 °F - closed cup

闪点(°C)

12 °C - closed cup

个人防护装备

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
MKCS2354
MKCQ8568
MKCQ4391
MKCL9556
MKCJ4233

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Alumina powder, 0.02 mean particle size (micron), weight 100&#160;g, condition nanopowder

GF61045499

Alumina

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
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
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
Joohoon Kang et al.
ACS nano, 9(4), 3596-3604 (2015-03-19)
Solution dispersions of two-dimensional (2D) black phosphorus (BP)--often referred to as phosphorene--are achieved by solvent exfoliation. These pristine, electronic-grade BP dispersions are produced with anhydrous organic solvents in a sealed-tip ultrasonication system, which circumvents BP degradation that would otherwise occur
Linda Önnby et al.
Chemosphere, 113, 151-157 (2014-07-30)
We have investigated the oxidation of inorganic As(III) with H2O2 catalysed by Al2O3, using X-ray absorption near-edge structure and extended X-ray absorption fine structure spectroscopy. The effects of different reaction conditions (pH, time and initial H2O2 concentration) were also studied
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    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  3. "nanoparticles, <50 nm particle size (DLS), 20 wt. % in isopropanol" コーティング用添加剤として興味があります。 粒子形状がわかる画像、粒度分布のデータはありますでしょうか。

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    1. Unfortunately, particle images and size distribution data are not available.

      Regarding the use of this material as a coating additive, more information is needed. The information you are requesting can be supplied by our Technical Service team who can assist you further. We kindly ask you to navigate to the link https://www.sigmaaldrich.com/techservice, and click on "Product Technical Inquires" under the Products Section with all the required information so that a member of our team can reach out to you to assist further. Thank you.

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