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
238988
Drierite™
with indicator, 8 mesh
Sinônimo(s):
Calcium sulfate, Gypsum
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About This Item
Produtos recomendados
Formulário
chunks
tamanho de partícula
8 mesh
cadeia de caracteres SMILES
[Ca++].[O-]S([O-])(=O)=O
InChI
1S/Ca.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2
chave InChI
OSGAYBCDTDRGGQ-UHFFFAOYSA-L
Procurando produtos similares? Visita Guia de comparação de produtos
Aplicação
- Dinuclear nickel-catalyzed asymmetric vinylogous Mannich-type reaction of α, β-unsaturated γ-butyrolactam and N-boc imines to synthesize vinylogous Mannich adducts.
- Catalytic epoxidation of propylene glycol acetates to propylene oxide.
- Rare earth-alkali metal heterobimetallic complex-catalyzed enantioselective Aza-Michael addition of alkoxylamines to α, β-unsaturated carbonyl compounds to synthesize β-amino carbonyl compounds.
Informações legais
Palavra indicadora
Danger
Frases de perigo
Declarações de precaução
Classificações de perigo
Aquatic Chronic 2 - Carc. 1B - Repr. 1B
Código de classe de armazenamento
6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
Classe de risco de água (WGK)
WGK 3
Ponto de fulgor (°F)
Not applicable
Ponto de fulgor (°C)
Not applicable
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How is shipping temperature determined? And how is it related to the product storage temperature?
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How can I determine the shelf life / expiration / retest date of this product?
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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.pdfHelpful?
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How can one determine when Drierite (238988) is no longer functioning at maximum capacity?
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When Drierite (238988) is no longer functioning at maximum capacity, it will be brittle and crumbly. Additionally, its normal blue color will turn pink when it is no longer optimal. It is possible to "reuse/repurpose" it by baking it again to dry it out.
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What is the moisture adsorption capacity of Drierite 8 mesh (Product 238988)?
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In the process of drying liquids, DRIERITE rapidly absorbs 6.6 weight percent of water through chemical action, forming the hemihydrate of calcium sulfate. When used for drying gases, DRIERITE has a water capacity ranging from 10 to 14 weight percent. This enhanced capacity is attributed to the combined chemical and capillary action.
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