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236845

Silica gel Inorganic Sorbent

high-purity grade (Davisil Grade 646), 35-60 mesh

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About This Item

CAS Number:
112926-00-8
UNSPSC Code:
23201100
PubChem Substance ID:
24854194
NACRES:
SB.52
EC Number:
231-545-4
MDL number:
MFCD00011232

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Product Name

Silica gel, high-purity grade (Davisil Grade 646), 35-60 mesh, pore size 150 Å

SMILES string

O=[Si]=O

InChI

1S/O2Si/c1-3-2

InChI key

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

grade

high-purity grade (Davisil Grade 646)

assay

≥99%

form

powder

manufacturer/tradename

Davisil®

technique(s)

LPLC: suitable

surface area

300 m2/g

matrix

Silica

matrix active group

silica

particle size

250-500 μm, 35-60 mesh

pore size

1.15 cm3/g pore volume, 150 Å

pH

7.0 (5% in slurry)

bp

2230 °C

mp

>1600 °C

separation technique

hydrophilic interaction (HILIC)

Quality Level

100

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Silica gel high-purity grade (Davisil Grade 646), 35-60 mesh, pore size 150 Å

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236845

Silica gel

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

Supelco

236810

Silica gel

Silica gel high-purity grade (Davisil Grade 62), pore size 150 Å, 60-200 mesh

Supelco

243981

Silica gel

Silica gel high-purity grade (Davisil Grade 923), pore size 30 Å, 100-200 mesh

Supelco

214477

Silica gel

matrix

Silica

matrix

Silica

matrix

Silica

matrix

Silica

separation technique

hydrophilic interaction (HILIC)

separation technique

hydrophilic interaction (HILIC)

separation technique

hydrophilic interaction (HILIC)

separation technique

hydrophilic interaction (HILIC)

pore size

1.15 cm3/g pore volume, 150 Å

pore size

1.15 cm3/g pore volume, 150 Å

pore size

1.15 cm3/g pore volume, 150 Å

pore size

0.40 cm3/g pore volume, 30 Å

particle size

250-500 μm, 35-60 mesh

particle size

200-425 mesh, 35-70 μm

particle size

60-200 mesh, 75-250 μm

particle size

100-200 mesh, 75-150 μm

matrix active group

silica

matrix active group

silica

matrix active group

silica

matrix active group

silica

form

powder

form

powder

form

powder

form

fine crystals

General description

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 leading to form 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.

Legal Information

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

Storage Class

11 - Combustible Solids

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKBW7215V
MKBG3902V
MKBG3902
MKAA4429
07627HJ

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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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