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Merck
CN
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文件

288500

Supelco

硅胶

high-purity grade, pore size 60 Å, 2-22 μm particle size distribution, without binder, suitable for thin layer chromatography (TLC)

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CAS号:
112926-00-8
EC 号:
231-545-4
MDL编号:
MFCD00011232
UNSPSC代码:
41115711
PubChem化学物质编号:
24857346
NACRES:
NC.07

等级

high-purity grade

质量水平

100

形式

powder

制造商/商品名称

Sigma-Aldrich

技术

thin layer chromatography (TLC): suitable

表面积

~500 m2/g

杂质

≤0.01% Fe3+

粒径分布

2-22 μm

孔径

60 Å pore size

pH值（酸碱度）

~6.8 (10% in aq. suspension)

bp

2230 °C

mp

>1600 °C

痕量阴离子

chloride (Cl-): ≤0.01%

SMILES字符串

O=[Si]=O

InChI

1S/O2Si/c1-3-2

InChI key

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

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相关类别

一般描述

Silica gel is a rigid 3D network of colloidal silica. It is exclusively used as a support material for the active titanium(III) centers in Ziegler-Natta catalysts. It allows a controlled fragmentation resulting in the formation of uniform polymer particles with narrow particle size distribution and high bulk density. Silica gel is classified as below:
a. Aquagel - pores are filled with water
b. Xerogel - by the process of evaporation, aqueous phase in the pores are removed
c. Aerogel - solvent removed by supercritical extraction

应用

Silica gel was used on glass plates to perform preparative thin layer chromatography.

WGK

nwg

闪点(°F)

Not applicable

闪点(°C)

Not applicable

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F. Daayf et al.
Plant physiology, 113(3), 719-727 (1997-03-01)
Phenolic compounds extracted from cucumber (Cucumis sativus L.) leaves were separated and analyzed for their differential presence and fungitoxicity in relation to a prophylactic treatment with Milsana (Compo, Munster, Germany) against powdery mildew (Sphaerotheca fuliginea). Based on our extraction and
A simple method for production of pure silica from rice hull ash
Kalapathy, U., A. Proctor, and J. Shultz.
Bioresource Technology, 73, 257-262 (2000)
Silica gel supported zirconocene dichloride/methylalumoxane catalysts for ethylene polymerization: Effects of heterogenation on activity, polymer microstructure and product morphology.
Janiak, Christoph, and Bernhard Rieger.
Angew. Makromol. Chem., 215, 47-57 (1994)

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