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
Wichtige Dokumente
215422
Eisen(II)-sulfat Heptahydrat
ACS reagent, ≥99.0%
Synonym(e):
Vitriolgrün
About This Item
Empfohlene Produkte
Qualität
ACS reagent
Qualitätsniveau
Dampfdruck
14.6 mmHg ( 25 °C)
Assay
≥99.0%
Form
powder or crystals
Eignung der Reaktion
reagent type: catalyst
core: iron
Grünere Alternativprodukt-Eigenschaften
Catalysis
Learn more about the Principles of Green Chemistry.
sustainability
Greener Alternative Product
Verunreinigungen
≤0.01% insolubles
≤0.05% Substances not pptd by NH4OH
pH-Wert
3-4 (25 °C, 50 g/L)
Dichte
1.898 g/mL at 25 °C (lit.)
Anionenspuren
chloride (Cl-): ≤0.001%
phosphate (PO43-): ≤0.001%
Kationenspuren
Cu: ≤0.005%
Fe3+: ≤0.1%
Mn: ≤0.05%
Zn: ≤0.005%
Grünere Alternativprodukt-Kategorie
SMILES String
O.O.O.O.O.O.O.[Fe++].[O-]S([O-])(=O)=O
InChI
1S/Fe.H2O4S.7H2O/c;1-5(2,3)4;;;;;;;/h;(H2,1,2,3,4);7*1H2/q+2;;;;;;;;/p-2
InChIKey
SURQXAFEQWPFPV-UHFFFAOYSA-L
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Allgemeine Beschreibung
Anwendung
Eisen-katalysierte, effiziente Synthese von Amiden aus Aldehyden und Aminhydrochlorid-Salzen
Signalwort
Warning
H-Sätze
Gefahreneinstufungen
Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2
Lagerklassenschlüssel
11 - Combustible Solids
WGK
WGK 1
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
Hier finden Sie alle aktuellen Versionen:
Analysenzertifikate (COA)
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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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