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/449/386/product-dating-information-mk.pdf
343358
Silica-alumina catalyst support, grade 135
Sinónimos:
Silicic acid aluminum salt
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41,00 €
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About This Item
41,00 €
Productos recomendados
Formulario
powder
cadena SMILES
O=[Si]=O.O=[Al]O[Al]=O
InChI
1S/2Al.O2Si.3O/c;;1-3-2;;;
Clave InChI
HNPSIPDUKPIQMN-UHFFFAOYSA-N
Aplicación
- A catalyst to synthesize 2,6-bis(imino)pyridine derivatives by reacting with substituted difluoroanilines/ortho-halogen-anilines and 2,6-diacetylpyridine.[1]
- A catalyst support to prepare Ca or Ni-based catalysts for deoxygenation reaction.[2]
- A catalyst support in hydrocarbon cracking process and transesterification reactions.[3][4]
Palabra de señalización
Danger
Frases de peligro
Consejos de prudencia
Clasificaciones de peligro
Eye Dam. 1
Código de clase de almacenamiento
11 - Combustible Solids
Clase de riesgo para el agua (WGK)
WGK 3
Punto de inflamabilidad (°F)
Not applicable
Punto de inflamabilidad (°C)
Not applicable
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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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What is the surface area of the material (silica alumina grade 135) in m^2/g ?
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The surface area for this product is 475 m2/g.
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What is the ratio of silica to alumina?
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The composition of this product is not tested on a lot-to-lot basis. However, historical data indicate that this material is approximately 75% SiO2 and, 13% Al2O3, with the remaining 11% classified as volatiles.
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