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安全信息

236810

Supelco

Silica gel Inorganic Sorbent

high-purity grade (Davisil Grade 643), 200-425 mesh

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CAS号:
112926-00-8
EC 号:
231-545-4
MDL编号:
MFCD00011232
UNSPSC代码:
12352309
PubChem化学物质编号:
24854191
NACRES:
SB.52

product name

硅胶, high-purity grade (Davisil Grade 643), pore size 150 Å, 200-425 mesh

等级

high-purity grade (Davisil Grade 643)

质量水平

100

检测方案

≥99%

形式

powder

制造商/商品名称

Davisil®

技术

LPLC: suitable

表面积

300 m2/g

基质

Silica

基质活性基团

silica

粒径

200-425 mesh
35-70 μm

孔径

1.15 cm3/g pore volume
150 Å

pH值（酸碱度）

7.0 (5% in slurry)

bp

2230 °C

mp

>1600 °C

分离技术

hydrophilic interaction (HILIC)

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

硅胶是硅胶的刚性三维网络。它专门用作齐格勒-纳塔催化剂中活性钛（III）中心的载体材料。硅胶可以经受控制破碎，并形成具有窄粒度分布和高堆积密度的均匀聚合物颗粒。硅胶分类如下：
a.水凝胶 - 孔内充满了水
b.干凝胶 - 通过蒸发过程，气孔中的水相被去除
c.气凝胶 - 通过超临界萃取除去溶剂。

应用

  • Flexible and Compressible Nanostructure-Assembled Aramid Nanofiber/Silica Composites Aerogel: This study explores the development of flexible and compressible silica-based aerogels, highlighting their potential in lightweight construction and thermal insulation applications, particularly useful for research in material science and industrial manufacturing (Zhang et al., 2024).
  • Factors Affecting Silica/Cellulose Nanocomposite Prepared via the Sol-Gel Technique: A Review: This review discusses the synthesis of silica/cellulose nanocomposites using the sol-gel method, emphasizing the impact of various factors on the material properties, relevant for researchers in materials science and environmental applications (Shange et al., 2024).
  • Rational synthesis of methylsilsesquioxane aerogels addressing thermal load and compression recovery issues in Li-ion batteries: This research presents the development of silica aerogels for use in enhancing the safety and efficiency of lithium-ion batteries, crucial for researchers in energy storage and industrial applications (Li et al., 2024).
  • Isolation, characterization, identification and quantification of 6-F oxyphenisatin dipropionate, a novel illegal additive, from a fruit-flavored jelly: Demonstrating the use of silica gel in chromatographic techniques for detecting illegal additives in food products, this study is vital for food safety and environmental testing laboratories (Xia et al., 2024).

法律信息

Davisil is a registered trademark of W.R. Grace & Co.-Conn.

WGK

nwg

闪点(°F)

Not applicable

闪点(°C)

Not applicable

法规信息

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T Martin et al.
Chemical communications (Cambridge, England), (1)(1), 24-25 (2002-07-18)
Texture-related features of water intrusion in hydrophobised MCM-41 silicas render these materials especially suitable for energy dissipation in mechanical dampers.
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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