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
233706
Vanadium(IV) oxide sulfate hydrate
97%
Sinonimo/i:
Vanadyl sulfate hydrate
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About This Item
Prodotti consigliati
Grado
for analytical purposes
Saggio
97%
Stato
powder
Composizione
Degree of hydration, 3-5
Impiego in reazioni chimiche
reagent type: catalyst
core: vanadium
Punto di fusione
105 °C (lit.)
applicazioni
battery manufacturing
Stringa SMILE
O=[V++].[H]O[H].[O-]S([O-])(=O)=O
InChI
1S/H2O4S.H2O.O.V/c1-5(2,3)4;;;/h(H2,1,2,3,4);1H2;;/q;;;+2/p-2
DKCWBFMZNUOFEM-UHFFFAOYSA-L
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Descrizione generale
Applicazioni
VOSO4 and anthraquinone-2,7-disulfonicacid can be used as a redox couple to prepare aqueous organic redox flowbattery (AORFB) stack.
Avvertenze
Danger
Indicazioni di pericolo
Consigli di prudenza
Classi di pericolo
Acute Tox. 3 Oral - Aquatic Chronic 2
Codice della classe di stoccaggio
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
Classe di pericolosità dell'acqua (WGK)
WGK 3
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
Dispositivi di protezione individuale
dust mask type N95 (US), Eyeshields, 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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What is the Department of Transportation shipping information for this product?
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Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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How do you calculate the degree of hydration in products 233706 and 204862?
1 answer-
The equation used to determine the degree of hydration for products 233706 and 204862 is the following.((Molecular weight of Metal * Number of Metal Ions) - (% of metal in product as decimal * anhydrous weight of product)) / (% of metal in product as decimal * 18)Note: 18 is the molecular weight of water.
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