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Merck

637238

二氧化硅

nanopowder, 10-20 nm particle size (BET), 99.5% trace metals basis

别名:

二氧化硅

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关于此项目

线性分子式:
SiO2
化学文摘社编号:
分子量:
60.08
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-545-4
MDL number:
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InChI key

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

InChI

1S/O2Si/c1-3-2

SMILES string

O=[Si]=O

assay

99.5% trace metals basis

form

nanopowder

particle size

10-20 nm (BET)

bp

2230 °C (lit.)

mp

>1600 °C (lit.)

density

2.2-2.6 g/mL at 25 °C

bulk density

0.011 g/mL

Quality Level

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General description

二氧化硅纳米粒子的折射率类似于聚合物涂层,因此它在纳米复合材料的制备中具有多种应用。热阻、电学和机械性能方面都得到了增强。二氧化硅纳米粒子可用于多种催化剂、颜料稳定、电子和传感器等领域。

Application

二氧化硅纳米粒子已被用于:
  • 研究SiO2纳米复合材料在弱光条件下的非线性光学性质。
  • 作为纳米复合海藻酸钙纤维中的纳米添加剂。
  • 作为液体聚甲基硅氧烷中的分散剂,其在低强度可见辐射场中表现出独特的光学非线性。

存储类别

11 - Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


历史批次信息供参考:

分析证书(COA)

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Unusual nonlinear optical properties of SiO2 nanocomposite in weak optical fields
Milichko VA, et al.
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Nanocomposite calcium alginate fibres containing SiO2 and bioglass
Bogun M, et al.
Spine, 12, 18-18 (2010)
APS-silane modification of silica nanoparticles: effect of treatm,ent's variables on the grafting content and colloidal stability of nanoparticles
Journal of Coatings Technology and Research, 11(4), 651-660 (2014)
Saisai Wei et al.
The international journal of biochemistry & cell biology, 113, 95-102 (2019-06-21)
ZnO nanoparticle (ZnO NP) exposure causes oxidative stress in the respiratory system, leading to pulmonary damage. Activating transcription factor 3 (ATF3) participates in a variety of cellular stress responses. However, the role of ATF3 in ZnO NP genotoxicity and cytotoxicity
Graham J Edgar et al.
Nature, 506(7487), 216-220 (2014-02-07)
In line with global targets agreed under the Convention on Biological Diversity, the number of marine protected areas (MPAs) is increasing rapidly, yet socio-economic benefits generated by MPAs remain difficult to predict and under debate. MPAs often fail to reach

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This thematic issue focuses on the emerging applications of nanomaterials. Nanomaterials are defined as substances with at least one dimension smaller than 100 nm.

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