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Silicon dioxide

二氧化硅

品牌
Sigma-Aldrich
CAS
14808-60-7
货号
31623
规格纯度
washed and calcined, analytical reagent
参考价格
559.88 *本价格含增值税费
促销
服务
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  • 增值税票
数量
-+
产品名称:
14808-60-7
Silicon dioxide
Quartz
Sand, white quartz
二氧化硅
白石英砂
石英
产品介绍:

产品说明

一般描述

Silicon dioxide (SiO2) exists in three crystalline forms, namely quartz, tridymite and cristobalite. It reacts with hydrofluoric acid to form silicon tetrafluoride (SiF4) and water. Silicates are formed on reacting SiO2 with alkali melts. SiO2 is the main component in glass, brick and concrete and also forms the insulator in silicon devices. The alteration of the surface of SiO2 with (3-aminopropyl)triethoxysilane (APTES) for binding lactate dehydrogenase (LDH) to form an amino layer has been reported. The silicon-silicon dioxide structure has been investigated at liquid nitrogen temperature by electron spin resonance spectra.

应用

Silicon dioxide may be used to produce silicon by electrochemical reduction in the presence of calcium chloride (CaCl2) electrolyte.

基本信息

线性分子式SiO2
分子量60.08
EC 号238-878-4
MDL编号MFCD00011232
PubChem化学物质编号57648586
NACRESSB.52

产品性质

形式granular
质量水平100
质量washed and calcined, analytical reagent
杂质≤0.2% Soluble in HCl
缺失≤0.1% loss on ignition
造粒0.1-0.5 mm (min.70%)
痕量阴离子chloride (Cl-): ≤100 mg/kg
SMILES stringO=[Si]=O
InChI1S/O2Si/c1-3-2
InChI keyVYPSYNLAJGMNEJ-UHFFFAOYSA-N

安全信息

储存分类代码13 - Non Combustible Solids
WGKnwg
闪点(F)Not applicable
闪点(C)Not applicable
个人防护装备dust mask type N95 (US), Eyeshields, Gloves

Sigma-Aldrich

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