If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf
806854
Silica
mesoporous SBA-15, <150 μm particle size, pore size 8 nm, Hexagonal pore morphology
Synonym(s):
Porous Silica, SBA-15, Silicon dioxide
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$425.85
List Price$501.00Save 15%Available to ship TODAYDetails
About This Item
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Quality Level
assay
99.9% trace metals basis
form
powder
surface area
450-550 m2/g
particle size
<150 μm
pore size
0.8-1.00 cm3/g pore volume
8 nm pore size
bp
2230 °C (lit.)
mp
>1600 °C (lit.)
SMILES string
O=[Si]=O
InChI
1S/O2Si/c1-3-2
InChI key
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
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Related Categories
1 of 4
This Item | 913855 | 806803 | 805467 |
|---|---|---|---|
| form powder | form powder | form powder | form mesoporous |
| particle size <150 μm | particle size <150 μm | particle size <150 μm | particle size ≤15 μm |
| assay 99.9% trace metals basis | assay - | assay 99.9% trace metals basis | assay 99.9% trace metals basis |
| mp >1600 °C (lit.) | mp >1600 °C (lit.) | mp >1600 °C (lit.) | mp >1600 °C (lit.) |
| surface area 450-550 m2/g | surface area - | surface area 750-850 m2/g | surface area 1400-1600 m2/g |
| pore size 0.8-1.00 cm3/g pore volume | pore size 12 nm pore size | pore size 0.7-0.9 cm3/g pore volume, 4 nm pore size | pore size 0.4-0.6 cm3/g pore volume, 2-4 nm pore diameter, 3 nm |
Storage Class
11 - Combustible Solids
wgk_germany
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
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Mesoporous silica used in wastewater remediation, air cleaning, catalysis, bio-catalysis, and drug delivery.
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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