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
211176
Selenous acid
98%
Sinónimos:
Selenious acid
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36,80 €
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About This Item
36,80 €
Productos recomendados
Nivel de calidad
Ensayo
98%
Formulario
solid
mp
70 °C ((lit.))
70 °C (dec.) (lit.)
solubilidad
water: 50 mg/mL
densidad
3.004 g/mL at 25 °C ((lit.))
3.004 g/mL at 25 °C (lit.)
cadena SMILES
O[Se](O)=O
O[Se](O)=O
InChI
1S/H2O3Se/c1-4(2)3/h(H2,1,2,3)
1S/H2O3Se/c1-4(2)3/h(H2,1,2,3)
Clave InChI
MCAHWIHFGHIESP-UHFFFAOYSA-N
MCAHWIHFGHIESP-UHFFFAOYSA-N
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Categorías relacionadas
Aplicación
- α-Ketoacectals by reacting with acetophenones and triethylorthoformate in the presence of boron trifluoride etherate as a catalyst[1].
- 4-Formyl-7-methylcoumarin using 4,7-dimethylcoumarin in the presence of xylene as a solvent[2].
- Selenium substituted quinoxaline derivatives from 2,3-dichloro quionoxaline.
Palabra de señalización
Danger
Frases de peligro
Consejos de prudencia
Clasificaciones de peligro
Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - STOT RE 2
Código de clase de almacenamiento
6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
Clase de riesgo para el agua (WGK)
WGK 3
Punto de inflamabilidad (°F)
Not applicable
Punto de inflamabilidad (°C)
Not applicable
Equipo de protección personal
Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
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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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