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
165956
Methyl benzenesulfonate
98%
Sinônimo(s):
Benzenesulfonic acid methyl ester, Benzenesulfonic acid, methyl ester, Methyl benzenesulphonate, Methyl besylate, methyl ester of benzenesulphonic acid
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About This Item
Produtos recomendados
Nível de qualidade
Ensaio
98%
Formulário
liquid
grupo funcional
sulfonic acid
temperatura de armazenamento
2-8°C
cadeia de caracteres SMILES
COS(=O)(=O)c1ccccc1
InChI
1S/C7H8O3S/c1-10-11(8,9)7-5-3-2-4-6-7/h2-6H,1H3
chave InChI
CZXGXYBOQYQXQD-UHFFFAOYSA-N
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Aplicação
- For the C-methylation of perbromothiophene tosynthesize tribromo-methyl thiophene in the presence of butyllithium.
- In the nickel-catalyzedmethylation of unactivated alkyl halides and acid chlorides to prepare methylatedalkanes and ketones.
Palavra indicadora
Danger
Frases de perigo
Declarações de precaução
Classificações de perigo
Acute Tox. 4 Oral - Skin Corr. 1B - Skin Sens. 1
Código de classe de armazenamento
8A - Combustible corrosive hazardous materials
Classe de risco de água (WGK)
WGK 3
Ponto de fulgor (°F)
Not applicable
Ponto de fulgor (°C)
Not applicable
Equipamento de proteção individual
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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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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