391484
Silica gel Inorganic Sorbent
high-purity grade (7734), 70-230 mesh
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About This Item
Numero CAS:
Numero CE:
Numero MDL:
Codice UNSPSC:
12352309
ID PubChem:
NACRES:
SB.52
Prodotti consigliati
Nome del prodotto
Gel di silice, high-purity grade (7734), pore size 60 Å, 70-230 mesh
Grado
high-purity grade (7734)
Livello qualitativo
Stato
powder
Produttore/marchio commerciale
EMD Millipore®
tecniche
LPLC: suitable
Area superficiale
550 m2/g
Matrice
Silica
Gruppo funzionale matrice
silica
Dimensione particelle
63-200 μm
70-230 mesh
Dimensione pori
~0.8 cm3/g pore volume
60 Å
P. ebollizione
2230 °C
Punto di fusione
>1600 °C
Tecnica di separazione
hydrophilic interaction (HILIC)
Stringa SMILE
O=[Si]=O
InChI
1S/O2Si/c1-3-2
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
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Categorie correlate
Descrizione generale
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
Applicazioni
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.
Note legali
EMD Millipore is a registered trademark of Merck KGaA, Darmstadt, Germany
Codice della classe di stoccaggio
11 - Combustible Solids
Classe di pericolosità dell'acqua (WGK)
nwg
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
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I clienti hanno visto anche
Piperazino-functionalized silica gel as a deblocking-scavenging agent for the 9-fluorenylmethyloxycarbonyl amino-protecting group.
Carpino LA, et al.
The Journal of Organic Chemistry, 48(5), 666-669 (1983)
Branched functionalised polysiloxane-silica hybrids for immobilisation of catalysts.
Rozga-Wijas, K, et al.
Journal of Materials Chemistry, 13(9), 2301-2310 (2003)
Nonlinear absorption properties of some 1, 4, 8, 11, 15, 18, 22, 25-octaalkylphthalocyanines and their metallated derivatives.
Auger A, et al.
Journal of Materials Chemistry, 13(5), 1042-1047 (2003)
Silica gel-immobilized-dithioacetal derivatives as potential solid phase extractors for mercury (II).
Mahmoud ME and Gohar GA.
Talanta, 51(1), 77-87 (2000)
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.
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