391484
Silica gel Inorganic Sorbent
high-purity grade (7734), 70-230 mesh
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About This Item
Número CAS:
Número CE:
Número MDL:
Código UNSPSC:
12352309
ID de substância PubChem:
NACRES:
SB.52
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product name
Gel de sílica, high-purity grade (7734), pore size 60 Å, 70-230 mesh
grau
high-purity grade (7734)
Nível de qualidade
forma
powder
fabricante/nome comercial
EMD Millipore®
técnica(s)
LPLC: suitable
área da superfície
550 m2/g
matriz
Silica
Grupo ativo da matriz
silica
tamanho de partícula
63-200 μm
70-230 mesh
tamanho de poro
~0.8 cm3/g pore volume
60 Å
pb
2230 °C
pf
>1600 °C
técnica de separação
hydrophilic interaction (HILIC)
cadeia de caracteres SMILES
O=[Si]=O
InChI
1S/O2Si/c1-3-2
chave InChI
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
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Descrição geral
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. Silica gel 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
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
Aplicação
Silica gel was used as an adsorbent to separate compounds by chromatography. It was used to compare MCM-41 type mesoporous adsorbents.
It may be used in the synthesis of the following:
It may be used in the synthesis of the following:
- Silica gel-immobilized-dithioacetal derivatives.
- Piperazino silica reagent for removing 9-fluorenylmethyloxycarbonyl amino protecting group.
- Polysiloxanes silica hybrids.
Informações legais
EMD Millipore is a registered trademark of Merck KGaA, Darmstadt, Germany
Código de classe de armazenamento
11 - Combustible Solids
Classe de risco de água (WGK)
nwg
Ponto de fulgor (°F)
Not applicable
Ponto de fulgor (°C)
Not applicable
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Piperazino-functionalized silica gel as a deblocking-scavenging agent for the 9-fluorenylmethyloxycarbonyl amino-protecting group.
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The Journal of Organic Chemistry, 48(5), 666-669 (1983)
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Texture-related features of water intrusion in hydrophobised MCM-41 silicas render these materials especially suitable for energy dissipation in mechanical dampers.
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