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
A2093
Ácido acetilsalicílico
meets USP testing specifications
Sinônimo(s):
Ácido O-acetilsalicílico, AAS, Aspirina, Ácido 2-acetoxibenzoico
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About This Item
Produtos recomendados
Agency
USP/NF
meets USP testing specifications
Nível de qualidade
Formulário
powder or crystals
pf
134-136 °C (lit.)
aplicação(ões)
pharmaceutical (small molecule)
cadeia de caracteres SMILES
CC(=O)Oc1ccccc1C(O)=O
InChI
1S/C9H8O4/c1-6(10)13-8-5-3-2-4-7(8)9(11)12/h2-5H,1H3,(H,11,12)
chave InChI
BSYNRYMUTXBXSQ-UHFFFAOYSA-N
Informações sobre genes
human ... ITGA2B(3674) , PTGS1(5742) , PTGS2(5743)
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Descrição geral
Aplicação
Ações bioquímicas/fisiológicas
Palavra indicadora
Warning
Frases de perigo
Declarações de precaução
Classificações de perigo
Acute Tox. 4 Oral
Código de classe de armazenamento
11 - Combustible Solids
Classe de risco de água (WGK)
WGK 1
Ponto de fulgor (°F)
482.0 °F
Ponto de fulgor (°C)
250 °C
Equipamento de proteção individual
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
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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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How to dissolve Aspirin and minimize concentration for storage?
1 answer-
This compound is soluble in ethanol at 50 mg/mL, in water at 3 mg/mL, and in 37 °C water at 10 mg/mL. Acetylsalicylic acid is not stable in aqueous solutions and will readily hydrolyze to salicylic acid. Minimal concentration and solution stability in ethanol have not been established.
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