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Merck
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637238

Sigma-Aldrich

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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About This Item

线性分子式:
SiO2
CAS号:
7631-86-9
分子量:
60.08
EC號碼:
231-545-4
MDL號碼:
MFCD00011232
分類程式碼代碼:
12352302
PubChem物質ID:
24882839
NACRES:
NA.23

化驗

99.5% trace metals basis

形狀

nanopowder

粒徑

10-20 nm (BET)

bp

2230 °C (lit.)

mp

>1600 °C (lit.)

密度

2.2-2.6 g/mL at 25 °C

體積密度

0.011 g/mL

SMILES 字串

O=[Si]=O

InChI

1S/O2Si/c1-3-2

InChI 密鑰

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

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相关类别

一般說明

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。

應用

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。

儲存類別代碼

11 - Combustible Solids

水污染物質分類（WGK）

nwg

閃點（°F）

Not applicable

閃點（°C）

Not applicable

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves

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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
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Toxicology letters, 224(1), 147-156 (2014-01-28)
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